// Illustrates operations with fractions and underflow (a=1,b=100000001,c=1,d=100000002)

import java.util.Scanner;

class Fraction
{
  public static void main (String[] args) {
      String div;
      int a, b, c, d;
      Scanner scan = new Scanner(System.in);
      
      System.out.print("Type a rational number (a / b): ");
      a = scan.nextInt();
      div = scan.next("/");
      b = scan.nextInt();
      
      System.out.print("Type a another rational number (c / d): ");
      c = scan.nextInt();
      div = scan.next("/");
      d = scan.nextInt();

      System.out.println(" " + a);
      System.out.println("--- = " + a/(float)b);
      System.out.println(" " + b);

      System.out.println(" " + c);
      System.out.println("--- = " + c/(float)d);
      System.out.println(" " + d);

      System.out.println("The fractions are equal: " + (a*d==b*c));
      System.out.println("The decimals are equal: " + (a/(float)b==c/(float)d));      
      
  }

}