#include <bits/stdc++.h>

using namespace std;
int M[100];
int i,n,s;
int main()
{ s = 0;
cout <<"nhap so phan tu"; cin >> n ;
for( i=0; i < n; i++)
{cout <<"phan tu" i +1<<":" ; cin >> M[i] ;
s = s + M[i] ;
cout <<"tong " << s ;
return 0;
}