import java.util.Scanner;

public class LabExer1 {
    public static void main(String[] args) throws Exception {
        Scanner scanner = new Scanner(System.in);
        System.out.println("Enter two numbers.");
        System.out.print("Fist number: ");
        double x = scanner.nextDouble();
        System.out.print("Second number: ");
        double y = scanner.nextDouble();

        plusFive(x, y);

        timesTwo(x, y);

        showSquared(x, y);

        computePercentage(x, y);
    }

    public static void plusFive(double x, double y) {
        System.out.println(x+5+" and "+y+5);
    }
    public static void timesTwo(double x, double y) {
        System.out.println(x*2+" and "+y*2);
    }
    public static void showSquared(double x, double y) {
        System.out.println(x*x+" and "+y*y);
    }
    public static void computePercentage(double x, double y) {
        double persint = (x/y)*100;
        System.out.println(x+" is "+persint+" percent of "+y);
    }
}