
puts "begin"

# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 

set file fff
exec rm -f $file
exec touch $file
exec chmod -w $file

catch {exec csh -fc "echo hello >$file"}
#exec echo hello >$file

puts aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa1
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
puts aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa2
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
puts aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa3
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
puts aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
puts aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa5
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
puts aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa6
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
puts aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa7
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
puts aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa8
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
puts aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
puts aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa0
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 
# nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing nothing 

puts end
