题解 | #将真分数分解为埃及分数#，只能说很考验细心和耐心了

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
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            int x = in.nextInt() - 1;
            int y = in.nextInt() - 1;
            if (x < 1 || x > 9 || y < 1 || y >9){
                System.out.println("-1");
                continue;
            }
            System.out.println("0");
            String result1 = isOk(in,x,y);
            System.out.println(result1);

            String result2 = isOk2(in,x,y);
            System.out.println(result2);

            String result3 = isOk3(in,x,y);
            System.out.println(result3);

            String result4 = isOk4(in,x,y);
            System.out.println(result4);
        }
    }

    // 交换
    private static String isOk(Scanner in,int x,int y) {
        int a = in.nextInt();
        int b = in.nextInt();
        int c = in.nextInt();
        int d = in.nextInt();
        if (a < 0 || b < 0 || c < 0 || d < 0){
            return "-1";
        }
        if (a > x || b > y || c > x || d > y){
            return "-1";
        }
        return "0";

    }
    // 插入行
    private static String isOk2(Scanner in,int x,int y){
        int insertRow = in.nextInt();
        if (x + 1 > 8 || insertRow < 0 || insertRow > x){
            return "-1";
        }
        return "0";
    }
    // 插入列
    private static String isOk3(Scanner in,int x,int y){
        int insertRank = in.nextInt();
        if (y + 1 > 8 || insertRank < 0 || insertRank > y){
            return "-1";
        }
        return "0";
    }
    // 查询
    private static String isOk4(Scanner in,int x,int y){
        int a = in.nextInt();
        int b = in.nextInt();
        if (a < 0 || b < 0 || a > x || b > y){
            return "-1";
        }
        return "0";
    }
}