题解 | #牛牛的计划#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        int num[] = new int[6];
        int count = 0;
        while (in.hasNext()) { // 注意 while 处理多个 case
            num[count++] = Integer.parseInt(in.next());
        }

        if (num[3] < num[0]) {
            System.out.println("no");
        }
        if (num[3] == num[0]) {
            if (num[4] < num[1]) {
                System.out.println("no");
            }
            if (num[4] == num[1]) {
                if (num[5] < num[2]) {
                    System.out.println("no");
                }
                if (num[5] >= num[2]) {
                    System.out.println("yes");
                }
            }
            if (num[4] > num[1]) {
                System.out.println("yes");
            }
        }
        if (num[3] > num[0]) {
            System.out.println("yes");
        }
    }
}