void farm1(char *msg, int *cows) {
    bool has1 = false;
    for (int i = 0; i < 50000; ++i) {
        if (cows[i] == 1) {
            has1 = true;
            break;
        }
    }
    char bit = has1 ? '1' : '0';
    for (int i = 0; i < 100; ++i) {
        msg[i] = bit;
    }
}

int farm2(char *msg, int *cows) {
    if (msg[0] == '1') {
        return 2;
    }

    bool has1 = false;
    for (int i = 0; i < 50000; ++i) {
        if (cows[i] == 1) {
            has1 = true;
            break;
        }
    }
    return has1 ? 2 : 1;
}