content: import java.io.*;
  import java.math.*;
  import java.text.*;
  import java.util.*;
  import java.util.regex.*;
  
  public class Solution {
  
      // simpleArraySum function
      static int simpleArraySum(int[] ar) {
          int sum = 0;
  
          // iterating through array
          for(int count = 0; count < ar.length; count++) {
              sum = sum + ar[count]; // addding all elements of array
          }
  
          return sum; // return total 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 = Integer.parseInt(scanner.nextLine().trim()); // size of array
  
          int[] ar = new int[arCount];
  
          String[] arItems = scanner.nextLine().split(" ");
  
          for (int arItr = 0; arItr < arCount; arItr++) {
              int arItem = Integer.parseInt(arItems[arItr].trim());
              ar[arItr] = arItem;
          }
  
          int result = simpleArraySum(ar);
  
          bufferedWriter.write(String.valueOf(result));
          bufferedWriter.newLine();
  
          bufferedWriter.close();
      }
  }
  