Pls help with code

Question

From the keyboard is entered a sequence of numbers, check whether the condition is correct: the number of multiples of 5 and multiple 3. Sequence of numbers: 1; 2; 3; 4; 5; 6; 9

Answer 1

If a number is divisible by 3 and 5, it is divisible by 15. So you can check if the number % 15 equals 0.

Answer 2

Thanks