#
# Reading "yes" or something else
#
# Matt Bishop, MHI 289I, Winter 2018
#
import string
#
# read in a string and print it, with surrounding quotes
#
inp = raw_input("Enter your input (y/n only) ")
print '"' + inp + '"'
#
# delete leading, trailing spaces and print it, with
# surrounding quotes
#
inp1 = inp.lstrip()
print '"' + inp1 + '"'
#
# make everything lower case and print it, with
# surrounding quotes
#
inp2 = inp1.lower()
print '"' + inp2 + '"'
#
# now if it begins with "yes", say so; otherwise say
# it does not
#
if inp2.startswith("yes"):
    print "yes"
else:
    print "not yes"