import java.io.*;
import java.util.*;
public class Example2 {
   public static void main(String args[]) {
     int array[] = new int[10];
     System.out.println(" Enter 10 integers");
     try {
      Scanner s = new Scanner(System.in);
      for (int i = 0; i < 10; i++) array[i]= s.nextInt();
      int max = array[0];
      for (int j = 1; j < 10; j++) 
         if (array[j] > max) max = array[j];
      System.out.println(max);
     } catch (Exception e) {
         System.out.println("Goodbye");
     }
   }
}