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

const ll min_n = 2;
const ll max_n = 200'000;

const ll min_m = 1;
const ll max_m = 1'000'000'000;

const ll min_a = 1;

int main(){
    registerValidation();

    ll n = inf.readLong(min_n, max_n);
    inf.readSpace();
    ll m = inf.readLong(min_m, max_m);
    inf.readEoln();
    
    for (int i = 0; i < n; i++) {
        inf.readInt(min_a, m);
        if(i != n-1) inf.readSpace();
    }
    inf.readEoln();
    inf.readEof();

}