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

public class ExceptionHandling {
  
  public static double getRatio(Scanner sc) throws NoSuchElementException {
    System.out.print("Width: ");
    int width = sc.nextInt();
    System.out.print("Height: ");
    int height = sc.nextInt();
    return width / (double)height;
  }
  public static void main(String []args) {
    try (Scanner sc = new java.util.Scanner(System.in)){
      double ratio = getRatio(sc);
      System.out.format("Ratio: %.2f", ratio);
    } 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.");
    }
  }
}