import java.util.Scanner;  

public class Project1Solution 
{   
  public static void main (String[] args)   
  {     
    Scanner scan = new Scanner(System.in);     
    
    // Part 1: Reading a double and an integer, and printing both with a tab between them.      
    System.out.print("Enter a double number");
    double d1 = scan.nextDouble(); 
    
    System.out.print("Enter an integer number");
    int i1 = scan.nextInt();  
    
    String result = d1 + "\t" + i1; 
    // I chose to do this part in two steps: creating the String, then printing it.           
    System.out.println("You entered: " + result);               
    
    // Part 2: Determining the time an object took to fall given its initial height.      
    System.out.println("For how long did the object fall?");     
    double time = scan.nextDouble();          
    final int GRAVITY = 32;  
    
    // feet per second          
    double height = 0.5*GRAVITY*Math.pow(time,2);           
    System.out.println("The object fell " + height + " feet.");               
    
    // Part 3: Reading 3 Strings and printing them in reverse order, with a String inserted.      
    System.out.println("Enter three Strings.");     
    String strBlank = scan.nextLine();          
    String str1 = scan.nextLine();     
    String str2 = scan.nextLine();     
    String str3 = scan.nextLine();          
    String myString = "myString";           
    System.out.println(str3 + " " + myString + " " + str2 + " " + str1);   
  } 
}