C++ :

#include <iostream>
using namespace std;
int main() {
	for(int i = 1; i <= 20; ++i){
		for(int j = 1; j <= 33; ++j){
			for(int k = 3; k <= 99; k+=3){
				if(i + j + k == 100 && i * 5 + j * 3 + k / 3 == 100){
					cout << i << " " << j << " " << k << endl;
				}
			}
		}
	}
    return 0;
}