#include "testlib.h"
#include <iostream>

using namespace std;

constexpr int MIN_N = 1;
constexpr int MAX_N = 300000;
constexpr long long MIN_T = 1;
constexpr long long MAX_T = 1000000000000000000LL;
constexpr int MIN_V = 0;
constexpr int MAX_V = 998244352;

int main(int argc, char *argv[]) {
    registerValidation(argc, argv);
    int N = inf.readInt(MIN_N, MAX_N, "N");
    inf.readEoln();

    for(int i = 0; i < N; ++i) {
        long long T = inf.readLong(MIN_T, MAX_T, format("T_%d", i+1));
        inf.readSpace();
        int V = inf.readInt(MIN_V, MAX_V, format("V_%d", i+1));
        inf.readEoln();
    }    
    inf.readEof();
    return 0;
}