#include <iostream>
using namespace std;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int num = 30, taken = 0, round = 0;
    while(true){
        for(int i = 0; i < 3; i++, puts(""))
            for(int j = 1; j <= 10; j++)
                cout << (((i * 10 + j) <= num) ? 'O' : ' ');
        cout << "player " << (round % 2) + 1 << "'s turn : (1 ~ 4)\n";
        cin >> taken;
        if(taken < 1 || taken > 4){
            cout << "input error\n";
            continue;
        }
        num -= taken;
        if(num <= 0){
            cout << "player " << (1 ^ (round % 2)) + 1 << " is the winner!\n";
            break;
        }
        round++;
    }
    return 0;
}