#include <bits/stdc++.h>

#define pb push_back
#define mp make_pair
#define mt make_tuple
#define ll long long
#define pii pair<int,int>
#define tii tuple <int,int,int>
#define N 200005
#define mod 1000000005
#define X first
#define Y second
#define eps 0.0000000001
#define all(x) x.begin(),x.end()
#define tot(x) x+1,x+n+1
using namespace std;

int x, y;
bool viz[210][210];
string s;

int main() {
    cin.sync_with_stdio(false);
    cout.sync_with_stdio(false);
    srand(time(0));

    while(1) {
        x = rand() % 200;
        x++;
        y = rand() % 200;
        y++;

        if(viz[x][y])
            continue;

        viz[x][y] = 1;
        cout << x << ' ' << y;
        cout.flush();
        cin >> s;

        if(s[0] == '0')
            break;
    }

    return 0;
}