题解 | #牛牛的快递#

import java.util.Scanner;

/**
 * @author zmstart
 * @create 2022-03-18 19:58
 */
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        float w = scan.nextFloat();
        char j = scan.next().charAt(0);
        int p ;

        if (w <= 1){
            p = 20;
        }else{
            p = 20 + (int)(w - 0.1);
        }
        if (j == 'y'){
            System.out.println(p + 5);
        }else{
            System.out.println(p);
        }
    }
}