#include <iostream>
#include <string>
#include <algorithm>
#include <utility>
#include <cmath>
#include <cstdlib>
#include <map>
#include <set>
#include <queue>
#include <vector>
#include "testlib.h"
using namespace std;
#define MOD 998244353

int main() {
    registerValidation();
    long long A = inf.readLong((long long)1, (long long)1000000000, "A");
    inf.readSpace();
    long long B = inf.readLong((long long)1, (long long)1000000000, "B");
    inf.readEoln();
    inf.readEof();
}