bac 4/20/2022 4

#include <iostream>
using namespace std;

int suma(int a, int b) {
    int sum = 0;
    for (int d = 1; d <= a && d <= b; d++) {
        if (a % d == 0 && b % d == 0) {
            sum += d;
        }
    }
    return sum;
}

int main() {
    cout << suma(20, 12) << endl;//7
    return 0;
}