import java.util.*;
import java.lang.*;
import java.io.*;
 
class Main
{
	public static void main (String[] args) 
	{
		Scanner in = new Scanner(System.in);
		int a = in.nextInt(), b = in.nextInt(), c = in.nextInt();
		System.out.println(Math.max(Math.max(a, b), c) + Math.min(Math.min(a, b), c));
	}
}