/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int i = 4;
        double d = 4.0;
        String s = "HackerRank ";
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        double b = scan.nextDouble();
        scan.nextLine();
        String c = scan.nextLine();
        System.out.println(i + a);
        System.out.println(d + b);
        String res = s.concat(c);
        System.out.println(res);
        scan.close();
	}
}

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MTIKNC4wCmlzIGEgbGVhcm5pbmcgc2l0ZQ==

12
4.0
is a learning site