for(int i = 0; i <= 100; i++){
    for(int j = 0; j <= 100; j++){
        for(int k = 0; k <= 100; k++){
            if(i + j + k == 100 && 25 * i + 10 * j + k == 300)
                cout << i << " " << j << " " << k << endl;
        }
    }
}

for(int i = 0; i <= 100; i++){
    for(int j = 0; j <= 100; j++){
        for(int k = 0; k <= 100; k++){
            if(i + j + k == 100 && 20 * i + 10 * j + k == 300)
                cout << i << " " << j << " " << k << endl;
        }
    }
}

for(int i = 0; i <= 20; i++){
    for(int j = 0; j <= 34; j++){
        for(int k = 0; k <= 20; k++){
            if(i + j + k == 100 && 15 * i + 9 * j + k == 300)
                cout << i << " " << j << " " << k << endl;
        }
    }
}

for(int i = 0; i <= 100; i++){
    for(int j = 0; j <= 100; j++){
        for(int k = 0; k <= 100; k++){
            if(i + j + k == 100 && 15 * i + 9 * j + k == 300)
                cout << i << " " << j << " " << k << endl;
        }
    }
}