print("Sign up")
# user will enter custom usermame and pass

username = input("Username:")
password = input("Password":)

print("log in")
username1 = input()
password1 = input()

if username1 == username and password1 == password:
    print("Successfully logged in")
elif username1 == username and not password1 == password:
    print("Username correct but password is incorrect")
elif password1 == password and not username1 == username:
    print("Password correct but username is incorrect")