# include # include # define endl '\n' using namespace std; int h, x, y; int main () { h = 1; x = 0; y = 0; while ( h != 0 ) { cout << x << " " << y << endl; cout.flush(); cin >> h; y ++; if ( y == 200 ) { y = 0; x ++; } } return 0; return 0; }