Find number is multiple of 3

#include<iostream>
using namespace std;
int main()
{
    int x;
    cin>>x;
    int y = x%3;
    if (y == 0)
    {
        cout<<"The number is multiple of 3";
    }
    else
    {cout<<"The number is not a multiple of 3";
    }
    return 0;
}