#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int INF = 1<<30;
const long long INFLL = 1LL<<60;
const int MOD = 998244343;


int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int x, y, z;
    cin >> x >> y;
    cout << 4 << endl;
    if (x == 0 && y == 0) cout << 0 << " " << 0 << " " << 0 << " " << 0 << endl;
    if (x == 0 && y == 1) cout << 0 << " " << 1 << " " << 1 << " " << 1  << endl;
    if (x == 1 && y == 0) cout << 1 << " " << 0 << " " << 0 << " " << 0 << endl;
    if (x == 1 && y == 1) cout << 1 << " " << 1 << " " << 1 << " " << 1 << endl;

    cin >> z;
    if (z == 0) cout << 0 << endl;
    else cout << 1 << endl;
}