codeup 1005

#include <iostream>
#include <stdio.h>
using namespace std;

int main(){	
	int n;
	while(scanf("%d",&n)!=EOF){	
	int a[n],sum=0;
	for(int i=0;i<n;i++){
		cin>>a[i];
		sum+=a[i];
	}
	cout<<sum<<endl;
	}
	return 0;	
}