import java.util.Scanner;
import java.util.NoSuchElementException;
import java.util.InputMismatchException;

public class ExceptionHandling {
  
  public static void main(String []args) {
    
    Scanner sc = new java.util.Scanner(System.in);
    
    try {
      System.out.print("Width: ");
      int width = sc.nextInt();
      System.out.print("Height: ");
      int height = sc.nextInt();
      double ratio = width / (double)height;
      System.out.format("Ratio: %.2f", ratio);
      sc.close();
    } catch(InputMismatchException ex) {
      System.out.println("Input doen not match integer value.");
    } catch(NoSuchElementException ex) {
      System.out.println("You have closed the input from command line.");
    }
  }
}