#include <iostream>
#include <iomanip>



using namespace std;
int i, n, suma, ugis;
double uvid;
int main()
{
    suma = 0;
    cout << " iveskite mokiniu skaiciu klaseje " << endl;
    cin >> n;
    for (i=1; i<=n; i++)
    {cout << " iveskite "<<i<<" mokinio ugi "; cin>>ugis;
    suma=suma+ugis;}
    uvid=suma/n;
cout << "mokiniu ugio vidurkis " << setw(6)<< fixed <<setprecision (2)<<uvid<<endl;
   return 0;
}