导致0分

#include <bits/stdc++.h>
#define ll long long
using namespace std;

ll x, y, sum = 0;
ll k;

int kkk(int x, int y) {
	int n = max(x, y);
	int m = min(x, y);
	if (x == y)
		return 4 * x;
	if (n % m == 0)
		return 4 * n / m * m;
	else
		m -= 1;
	return kkk(n, m);
}

int main() {
	cin >> x >> y;
	cout << kkk(x, y);
	return 0;
}