import java.util.Scanner;

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 variables
    int i2;
    double d2;
    String s2;

    // Read inputs
    i2 = scan.nextInt();
    d2 = scan.nextDouble();
    scan.nextLine();      // consume leftover newline
    s2 = scan.nextLine();

    // Print results
    System.out.println(i + i2);
    System.out.printf("%.1f\n", d + d2);
    System.out.println(s + s2);

    scan.close();
}

}