num = int(input("Enter any number: "))
 flag = num%2
 if flag == 0:
     print(num, "is an even number")
 elif flag == 1:
     print(num, "is an odd number")
 else:
     print("Error, Invalid input")
Enter any number: 12 12 is an even number Enter any number: 17 17 is an odd number