#include <bits/stdc++.h>
#include "testlib.h"
using namespace std;
using ll = long long;
const ll MIN_N = 1;
const ll MAX_N = 200'000;
const ll MIN_M = 1;
const ll MAX_M = 1'000'000'000;

int main(){
	registerValidation();
	ll N = inf.readLong(MIN_N, MAX_N);
	inf.readSpace();
	ll M = inf.readLong(MIN_M, MAX_M);
	inf.readEoln();
	inf.readEof();
}