import java.util.*;
import java.io.*;
public class ArraysHeaderMethod {
  
  
  public static void main(String[] args) throws Exception { 
    Scanner input = new Scanner(new File("inputHeader.txt"));
    
    int count = input.nextInt();
    
    int[] data = new int[count];
    
    for(int i=0; i<count; i++) {
      data[i] = input.nextInt();
    }
    
    int maximum = max(data);
    
    System.out.println("The maximum number is "+maximum);
    
  }
  public static int max(int[] array) {
    
   int maxSoFar = array[0];
   
   for(int i=1; i<array.length; i++) {
     if(array[i] > maxSoFar) {
       maxSoFar = array[i];
     }
   }
   
   return maxSoFar;
  }
  
}