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