#include "bits/stdc++.h"
#define ll long long
using namespace std;
int main()
{
	int n;
	cin>>n;
	ll sum=0;
	for(int i=0;i<n;i++)
	{
		ll temp;
		cin>>temp;
		sum+=temp;
	}
	cout<<sum<<endl;
} 
				I2luY2x1ZGUgImJpdHMvc3RkYysrLmgiCiNkZWZpbmUgbGwgbG9uZyBsb25nCnVzaW5nIG5hbWVzcGFjZSBzdGQ7CmludCBtYWluKCkKewoJaW50IG47CgljaW4+Pm47CglsbCBzdW09MDsKCWZvcihpbnQgaT0wO2k8bjtpKyspCgl7CgkJbGwgdGVtcDsKCQljaW4+PnRlbXA7CgkJc3VtKz10ZW1wOwoJfQoJY291dDw8c3VtPDxlbmRsOwp9IA==