#include "game.h"
#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define REP(n) FOR(O, 1, (n))
#define f first
#define s second
#define pb push_back
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<pii> vii;
typedef long long ll;
typedef vector<ll> vl;
long long gcd2(long long X, long long Y) {
long long tmp;
while (X != Y && Y != 0) {
tmp = X;
X = Y;
Y = tmp % Y;
}
return X;
}
ll grid[110][110];
void init(int R, int C) {
}
void update(int P, int Q, long long K) {
grid[P][Q] = K;
}
long long calculate(int P, int Q, int U, int V) {
ll ans = 0;
FOR(i, P, U) FOR(j, Q, V) ans = gcd2(ans, grid[i][j]);
return ans;
}
