x = input("Enter a username:")
y = input("Enter a password:")






if len(y)<6:
    print ("Invalid password")

elif x == y:
    print ("Invalid password")

elif y.islower() == True:
     print ("Invalid password")

elif y.upper() == True:
    print ("Invalid password")

elif y.isdigit() == True:
    print ("Invalid password")

else:
    print ("Valid Password.")