Submission #1241390

---

Source Code Expand

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scan = new Scanner(System.in);
        double X = scan.nextDouble();
        if(X<=6){
        	System.out.println(0);
        }else if(X<=11){
        	System.out.println(1);
        }else{
        	System.out.println((long)Math.ceil(X/11*2));
        }
	}
}

Submission Info

Judge Result