题解 | #牛牛的通勤#

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int d = scan.nextInt();
        take(d);
        
    }
    public static void take(int d) {
        //因为走路的时间就是我们输入的路程
        //所以只需求出打车所需要的时间
        int carTime;
        if(d % 10 == 0) {
            carTime = 10 + (d / 10);
        } else {
            carTime = 11 + (d / 10);
        }
        if(carTime < d) {
            System.out.println("v");
        } else {
            System.out.println("w");
        }
    }
}