import math
# Input: strng is a string of 100 or less of upper case, lower case, 
#        and digits
# Output: function returns an encrypted string 
def encrypt ( strng ):
	pass

# Input: strng is a string of 100 or less of upper case, lower case, 
#        and digits
# Output: function returns an encrypted string 
def decrypt ( strng ):
	pass

def main():
  # read the strings P and Q from standard input

  # encrypt the string P

  # decrypt the string Q

  # print the encrypted string of P
  # and the decrypted string of Q

if __name__ == "__main__":
  main()