solution.java

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;

public class Solution {

    // aVeryBigSum function
    static long aVeryBigSum(long[] ar) {
        long sum=0;
        // iterating elements of array
        for(long val : ar)
        sum+= val; // adding elements of array
        return sum; 

    }

    private static final Scanner scanner = new Scanner(System.in);

    // main function
    public static void main(String[] args) throws IOException {
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        int arCount = scanner.nextInt(); // array size
        scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");

        long[] ar = new long[arCount];

        String[] arItems = scanner.nextLine().split(" ");
        scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");

        for (int i = 0; i < arCount; i++) {
            long arItem = Long.parseLong(arItems[i]);
            ar[i] = arItem;
        }

        long result = aVeryBigSum(ar); // function call

        bufferedWriter.write(String.valueOf(result));
        bufferedWriter.newLine();

        bufferedWriter.close();

        scanner.close();
    }
}