# Arup Guha
# 2/15/2014
# Example of an if

def main():

    money = int(input("How much money do you have?\n"))

    # We need 100 dollars to buy a game!
    if money >= 100:
        print("Great, you can buy a game.")
    else:
        print("Sorry, you need to make",100-money,"more dollars.")


main()