#include<iostream>
using namespace std;
int main()
{

  cout<<"Enter an input: ";
  int n;
  cin>>n;
  int Array[100];

  int sum=0;
  for(int i=0; i<n; i++)
  {
      cin>>Array[i];
      sum=sum+Array[i];
  }

  cout<<"Summation is : "<<sum<<endl;

  float ave;
  ave=(float)sum/n;
  cout<<"Average is: "<<ave;
}