/*Copyright ElohimTov LLC*/


/*
//Name: ElohimTov SolveCode - Data Types - Java Solution
//Problem: HackerRank - 30 Days of Code - Data Types
//Current File: ElohimTovSolve_DataTypes.(java).txt
//Compile-able File: ElohimTovSolve_DataTypes.java
//Date: Created 02/9/2019; 12/31/2021.
//Tale: ElohimTov Solve's Solution to HackerRank.com's
//	Data Types problem in Java programming language.
// 	Problem link at https://elohimtov.com/elohimtov.info.
*/


import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;


public class Solution
{	
    public static void main(String[] args)
    {
        int i = 4;
        double d = 4.0;
        String s = "HackerRank ";
		
        Scanner scan = new Scanner(System.in);

        /* Declare second integer, double, and String variables. */
        int i1, i2;
        double d1, d2;
        String s1, s2;

        /* Read and save an integer, double, and String to your variables.*/
        i1 = Integer.parseInt(scan.nextLine());
        d1 = Double.parseDouble(scan.nextLine());
        s1 = scan.nextLine();
        
        /* Print the sum of both integer variables on a new line. */
        i2 = i + i1;
        System.out.println(i2);

        /* Print the sum of the double variables on a new line. */
	d2 = d + d1;
        System.out.println(d2);

        /* Concatenate and print the String variables on a new line; */
        /* the 's' variable above should be printed first. */
        s2 = s + s1;
        System.out.println(s2);

        scan.close();

    }//ends static void main
}//ends class Solution


/*Copyright ElohimTov LLC*/