#include <iostream>
(30316)#include <iomanip>
using namespace std;
int main() {
int n;
cin >> n;
int scores[100];
int count = 0;
double sum = 0;
for (int i = 0; i < n; ++i) {
cin >> scores[i];
if (scores[i] % 2 == 0) {
sum += scores[i];
count++;
}
}
if (n == 0 || count == 0) {
cout << "No result!" << endl;
} else {
for (int i = 0; i < n; ++i) {
if (scores[i] % 2 == 0) {
cout << scores[i] << " ";
}
}
cout << endl;
cout << fixed << setprecision(2) << sum / count << endl;
}
return 0;
}
