#include <iostream>
#include <cmath>
#define maxsize 100000
using namespace std;
int main()
{
int iteration = 0; // Number Of Iteration in loops.
int elements[maxsize]; // Elements to enter.
int outArr[maxsize]; // To Perform A Operation On the output.
long long int summation = 0; // Get summation to print.
cin >> iteration;
if (iteration >= 1 && iteration <= 100000) // Number Of Iteration Checking.
{
for (int i = 0; i < iteration; i++) // Iteration to get values.
{
cin >> elements[i];
}
for (int i = 0; i < iteration; i++) // Loop to perform operation.
{
summation += elements[i];
}
cout << summation << endl;
}
return 0;
}
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