using System;
public class Program
{
public static int Solution(int value)
int sum = 0;
for (int i= 1; i < value; i++)
int multiples3 = 3 * i;
int multiples5 = 5 * i;
if (multiples3 != multiples5)
sum = sum+multiples3+multiples5;
}
else
sum = sum + multiples3;
return (sum);