abc28c.java

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;
 
public class Main {
	public static int[][] maze =new int [100][];
	public static int[][] dist =new int [100][];
	public static int[][] dir  ={{-1,0},{1,0},{0,-1},{0,1}};
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		List<Integer> list=new ArrayList<Integer>();
		List<Integer> res=new ArrayList<>();
		for(int i=0;i<5;i++){
			list.add(sc.nextInt());
		}
		for(int i=0;i<5;i++){
			for(int j=i+1;j<5;j++){
				for(int k=j+1;k<5;k++){
					res.add(list.get(i)+list.get(j)+list.get(k));
				}
			}
		}
		Collections.sort(res);
		Collections.reverse(res);
//		System.out.println(res);
		System.out.println(res.get(2));
 
		sc.close();
	}
 
}