P80097: El rusc d'abelles

#include <iostream>
using namespace std;


void buits(int n) {
    if (n > 0) {
        cout<< " ";
        buits(--n);
    }
}

void pintar_rusc(int f, int c) {
    bool ini = true;
    while (f != 0) { //Cada fila
        //Top
        bool inici = true;
        if (ini) {
            for (int i = c; i != 0; --i) {
                if (inici) buits(1);
                if (not inici) buits(3);
                cout << "_";
                inici = false;
            }
        }
        ini = false;
        cout << endl;
        //MidAbove
        int k = c-1;
        for (int j = c; j != 0; --j) {
            cout << "/";
            buits(1);
            cout << char(92);
            if (k != 0) cout << "_";
            --k;
        }
        cout << endl;
        //MidBelow
        int n = c-1;
        for (int m = c; m != 0; --m) {
            cout << char(92) << "_" << "/";
            if (n != 0) buits(1);
            --n;
        }
        --f;
    }
    cout << endl;
}


int main() {
    int f, c;
    bool primer = true;
    while (cin >> f >> c) {
        if (not primer) cout << endl;
        pintar_rusc(f, c);
        primer = false;
    }
}