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