#include <iostream>
using namespace std;
#define ll long long
 
int main()
{
	ll n;
	cin>>n;
	ll ans=0;
	for(int i=0;i<n;i++){
		ll a;
		cin>>a;
		ans+=a;
	}
	cout<<ans<<endl;
}
				I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwojZGVmaW5lIGxsIGxvbmcgbG9uZwoKaW50IG1haW4oKQp7CglsbCBuOwoJY2luPj5uOwoJbGwgYW5zPTA7Cglmb3IoaW50IGk9MDtpPG47aSsrKXsKCQlsbCBhOwoJCWNpbj4+YTsKCQlhbnMrPWE7Cgl9Cgljb3V0PDxhbnM8PGVuZGw7Cn0=