#include "testlib.h"
#include <vector>
#include <algorithm>
#include <iostream>
#include <queue>
#include <map>
#include <cassert>
#include <cstdio>
#include <string>
#include <time.h>
#include <iomanip>
#include <cmath>
#include <stack>
#include <set>

using namespace std;

    const int INF = 1e9;

    const int MAXLEN = 62;

vector<int> toBin(long long x)
{
    vector<int> result;
    while (x)
    {
        result.push_back(x % 2);
        x /= 2;
    }
    reverse(result.begin(), result.end());
    return result;
}

void solve(int argc, char* argv[])
{
    registerValidation(argc, argv);

    long long a = inf.readLong(0, 1000000000000000000LL, "a");
    inf.readSpace();
    long long b = inf.readLong(0, 1000000000000000000LL, "b");
    inf.readEoln();

    vector<int> A = toBin(a);
    vector<int> B = toBin(b);
    ensuref(A.size() + B.size() <= MAXLEN, "Too large expecting answer");

    inf.readEof();
}

int main(int argc, char* argv[])
{
#ifdef _DEBUG
    freopen("input.txt", "r", stdin);
#endif
    //srand(time(NULL));

    solve(argc, argv);

    return 0;
}