import java.util.*;
import java.io.*;
public class HeaderMethodFile {
  
  
  public static void main(String[] args) throws Exceptioon  { 
    
    Scanner inFile = new Scanner(new File("header.txt"));
    
    int numReceipts = inFile.nextInt();
    
    int total = 0;
    for(int i=1; i<=numReceipts; i++) {
      total+=inFile.nextInt();
    }
    
    System.out.println("Your revenue is "+total);
    
  }
  
  /* ADD YOUR CODE HERE */
  
}