#include <bits/stdc++.h>          		
using namespace std;              		

int main()                             
{
	int n,a,t=0;
	cin>>n;
    int k[n];
    for(int i=1; i<=n; i++ )
    {
        cin>>a;
        k[i]=a;
        t+=a;
    }
    cout<<t<<" ";
    double t1=0;
    for(int i=1; i<=n; i++ )
    {
        t1+=k[i];
    }
    printf("%.5f",t1/n);
	return 0;                        	
}

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