import java.util.*;
import java.lang.*;
import java.io.*;


// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
        System.out.println("Hello world!");
        
        //int[][] arr = new int[10][8]
        
        int[][] arr = { 
                            {1, 1, 1, 1, 1, 1, 1, 1},
                            {1, 2, 2, 2, 2, 2, 2, 2},
                            {1, 1, 3, 3, 3, 3, 3, 3},
                            {1, 2, 1, 4, 4, 4, 4, 4},
                            {1, 1, 2, 1, 5, 5, 5, 5},
                            {1, 2, 3, 2, 1, 6, 6, 6},
                            {1, 1, 1, 3, 2, 1, 7, 7},
                            {1, 2, 2, 4, 3, 2, 1, 8},
                            {1, 1, 3, 1, 4, 3, 2, 1},
                            {1, 2, 1, 2, 5, 4, 3, 2},
                            
                           };
                        
        int household = 1 + (int)(Math.random() * ((10 - 1) + 1));
        int eligibles = 1 + (int)(Math.random() * ((8 - 1) + 1));

        
        System.out.println(household+"-"+eligibles);
        
        System.out.println(arr[household-1][eligibles-1]);
        
    }
}