View Code of Problem 69

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int x = sc.nextInt();

		int y;
		if (x < 1)
			y = x;
		else if (x > 1 && x == 1 && x < 10)
			y = 2 * x - 1;
		else
			y = 3 * x - 11;

		System.out.println(y);

	}
}