import java.io.*;

class TwoNums3 
{
// A program that prompts for two numbers then prints the difference between
// the two squares. Uses a separate function to find it.

 public static void main (String[] args) throws IOException
 {
   int m,n,d;
   BufferedReader in = Text.open(System.in);

   System.out.print("Enter first number: ");
   m=Text.readInt(in);
   System.out.print("Enter second number: ");
   n=Text.readInt(in);
   d=diffTwoSquares(m,n);
   System.out.println("The difference between the two squares is: "+d);
 }

 public static int diffTwoSquares(int p,int q)
 {
  int r;
  r=p*p-q*q;
  return r;
 }

}