def login_yez():
    username = "Andres Gatjens"
    password = "yez"
    if raw_input("Enter your username: ") == str(username):
        print("Username correct!")
    else:
        print("Invalid username")
    if raw_input("Enter your password: ") == str(password):
        print("Password correct!")
    else:
        print("Invalid password")

login_yez()