View Code of Problem 112

#include<iostream>
using namespace std;
int main()
{
   int n,a;
   while(cin>>n)
   { int sum=0;
    if(n==0) continue;
    while(n)
   {    
	   	cin>>a;
   	    sum=sum+a;
   	    n--;   	
   }
    cout<<sum<<endl;
  } 
}