#include <iostream>

using namespace std;

int main()
{
    int nr,i,n=1,suma=0;
    float m=0;
    while(nr!=0){
        cout<<"nr=";
        cin>>nr;
            if(nr%2>0) {
            suma=suma+nr;
            m++;
        }
    }
    if(m==1) cout<<"Trebuie cel putin 2 numere impare pentru a calcula media aritmetica.";
    else cout<<"media="<<(suma/m);

    return 0;
}