#include<bits/stdc++.h>
using namespace std;
int countdigits(int n,int arr[])
{
int sum=0;
for(int i=0;i<n;i++)
{
sum+=arr[i];
}
return sum;
}
int main(){
int n; cin>>n;
int arr[n];
for(int i=0;i<n;i++)
{
cin>>arr[i];
}
cout<<countdigits(n,arr);
}
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