0315:

import java.io.*;
import java.util.*;

class Main {
    void solve(){
	Scanner sc = new Scanner(System.in);
	int p = sc.nextInt();
	int m = sc.nextInt();
	int c = sc.nextInt();
	System.out.println(p + m + c);
    }

    public static void main(String[] a) { new Main().solve(); }
}