int func(int a, int &b){

    int aux;

    if(a > b){
        aux = a;
        a = b;
        b = aux;
    }

    int cont = 0;
    while(cont < 3){
        a = a * 2;
        cont = cont + 1;
    }

    if(b%3 == 0)
        b = b + 1;
    else
        b = b - 1;

    resp = a + b;

    a = 20;

    return resp;
}

int main(){

    int x, y, z;

    x = 8;
    y = 6;

    z = func(x, y);

    cout << "X = " << x << endl;
    cout << "Y = " << y << endl;
    cout << "Z = " << z << endl;

    return 0;
}