Assignment #117 More Number Puzzles

Code

      ///Name: Ian Grant
      ///Period:5
      ///Project Name: More Number Puzzles
      ///File Name:NumPuzz4.java
      ///05/25/16
      
      import java.util.Scanner;
      class NumPuzz4
      {
          public static void main (String [] args)
          {
              Scanner stuff = new Scanner(System.in);
              int a;
              do
              {
                  System.out.println("1) Find two diget number <= 56 with sum > 10");
                  System.out.println("2) Find to diget number minus number reversed which equals sum of digets.");
                  System.out.println("3) Quit");
                  
                  a = stuff.nextInt();
                  
                  if (a == 1)
                  {
                      math();
                  }
                  else if (a == 2)
                  {
                      ma();
                  }
                  
              }while (a < 3);
          }
              
              public static void math()
              {
                  int c = 10;
                  for (int x = 1; x < 6; x++)
                  {
                      for (int y = 0; y < 10; y++)
                      {
                          if (c < 57 && (x + y) > 10)
                          {
                              System.out.println(c);
                          }
                          c++;
                      }
                  }
              }
              
              public static void ma()
              {
                  int z = 10;
                  for (int a = 1; a < 10; a++)
                  {
                      for (int b = 0; b < 10; b++)
                      {
                          int inv = (b*10)+a;
                          int sum = a + b;
                          if (z - inv == sum)
                          {
                              System.out.println(z);
                          }
                          z++;
                      }
                  }
              }
      }
      

Output