#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    double s = 0;
    cin >> n;
    int a[15];
    for(int i=0;i<n;i++)
    {
        cin>>a[i];
    }
    for(int i=0;i<n;i++)
    {
        s = s + a[i];
    }
    cout<<s<<endl;
    printf("%.2f",s/n);
    cout<<endl;
    for(int i=0;i<n-1;i++)
    {
            for(int i=0;i<n-1;i++)
        {
            if(a[i] > a[i+1])
            {
                swap(a[i],a[i+1]);
            }
        }
    }
    for(int i=0;i<n;i++)
    {
        cout<<a[i]<<" ";
    }
    return 0;
}
/**************************************************************
	Problem: 1175
	User: wuyichen
	Language: C++
	Result: Wrong Answer
****************************************************************/