#include <iostream>
using namespace std;
int cal(int *array, int n) {
int sum = 0;
for (int i = 0; i < n; i++) {
sum += array[i];
}
return sum;
}
int main() {
int n;
cin >> n;
int *array = new int[n];
for (int i = 0; i < n; i++) {
cin >> array[i];
}
int result = cal(array, n);
cout << result << endl;
delete[] array;
return 0;
}
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