115

Code

  ///Name: Conner Wygaerts
///Period: 6
///Project Name: Puzzles
///File Name: Puzzles.java
///Date Finished: 5/4/16

import java.util.Scanner;

public class Puzzles
{
    public static void main( String[] args ) throws Exception
    {
    
                for (int a = 13; a <= 55; a++)
            {
                for (int b = 13; b <= 55; b++)
                {
                    if ( a+b == 68 && b-a == 42 )
                        System.out.println("\n " + a + " " + b );
                }
            }
            System.out.println();
        }
    }
  

Picture of the output