#include<bits/stdc++.h>

using namespace std;

int main(){
    for (int rooster = 1; rooster <= 20; ++rooster) { 
        for (int hen = 1; hen <= 33; ++hen) { 
            int chick = 100 - rooster - hen; 
            if (chick % 3 == 0 && (5 * rooster + 3 * hen + chick / 3) == 100) {
                cout <<"公鸡: "<<rooster<<" "<<"母鸡: "<<hen<<" "<<"鸡仔: "<<chick<<endl;;
            }
        }
    }
    return 0;
}