// #pragma GCC optimize ("Ofast")
// #pragma GCC optimize ("unroll-loops")
// #pragma GCC target ("avx,avx2,fma")
#include <bits/stdc++.h>

using std::cin, std::cout, std::cerr;
using ll = long long;

int Paint(int k, int x) {
    cout << k << ' ' << x << '\n';
    cout.flush();
    int t; cin >> t;
    return t;
}

int main() {
    std::ios::sync_with_stdio(false);
    int n; cin >> n;
    int t = Paint(n % 2 == 1 ? 1 : 2, (n + 1) / 2);
    while(t != 0) {
        int k, x; cin >> k >> x;
        int rx = n - x + 1;
        if(k == 2) rx --;
        t = Paint(k, rx);
    }
}