#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int N; cin >> N;
    int answer = 0;
    auto check = [&](auto check,vector<int> now,int M) -> void {
        cout << M << " " << 1 << endl;
        cout << now.at(0) << endl;
        int c; cin >> c;
        if(c){
            if(M > N) answer += now.at(0)*c;
            else check(check,{now.at(0),now.at(0)+M},M+M);
        }
        cout << M << " " << 1 << endl;
        cout << now.at(1) << endl;
        cin >> c;
        if(c){
            if(M > N) answer += now.at(1)*c;
            else check(check,{now.at(1),now.at(1)+M},M+M);
        }
    };

    check(check,{0,1},2);
    cout << "0 1" << endl;
    cout << answer << endl;
}