import java.util.Scanner;

public class Hw02 {
	public static void main(String[] args) {
		Scanner stdin = new Scanner(System.in);
		int month, birth;
		
		month = 10;
		System.out.println("あなたの誕生月は？");
		birth = stdin.nextInt();
		
		System.out.println("あなたの誕生日は " + (month - birth) + " ヶ月前だね");
	}
}