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

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
        //System.out.println("Hello world!");
       
      // Scanner scn = new Scanner(System.in);
       
       //int a = scn.nextInt();
       //int b = scn.nextInt();
       //int c = scn.nextInt();
     
        
        //System.out.println(a);
        //System.out.println(b);
        //System.out.println(c);
        //System.out.println(a + b + c);
        //System.out.println(a/b);
        //System.out.println(b/c);
        
        //Scanner T = new Scanner(System.in);

       // int TT = 40;

        //int N = T.nextInt();
       // int R = TT - N;

       // System.out.println(R);
        
        
       //  Scanner NOL = new Scanner(System.in);

        //int TT = 2;

       // int L = NOL.nextInt();
       // int NOLT = L*2;

        //System.out.println(NOLT);

        // double x = 3.44;
        // float y = (float)x;
        
        //System.out.println(y);
        
        //int x = 4.5;
        //double y = (float)x;
        //System.out.println(y);
        
        // Scanner num = new Scanner(System.in);
        
        // int a1 = num.nextInt();
        // int a2 = num.nextInt();
        // int a3 = num.nextInt();
        
        // int b1 = num.nextInt();
        // int b2 = num.nextInt();
        // int b3 = num.nextInt();
        
        // System.out.print("Output 1:"); System.out.println(a1 + a2 + a3);

        // System.out.print("Output 2:"); System.out.println(b1 + b2 + b3);
        
        
            Scanner num = new Scanner(System.in);
            
            int a1 = num.nextInt();
            int a2 = num.nextInt();
            int a3 = num.nextInt();
    
            System.out.println("Output 1:" + " " + (a1 +  a2  + a3));
    
        
    }
}