import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner cin = new Scanner(System.in);
		int[] arr = new int[10];
		int i;
		while(cin.hasNext())
		{
			Arrays.fill(arr, 0);
			for(i=0;i<arr.length;i++)
			{
				arr[i]=cin.nextInt();
			}
			Arrays.sort(arr);
			System.out.println("max="+arr[9]);
		}
	}

}

/**************************************************************
	Problem: 2181
	User: admin
	Language: Java
	Result: Accepted
	Time:807 ms
	Memory:41252 kb
****************************************************************/