// Author: Mark Jessop ( lenniethelemming@gmail.com )// Purpose: Iterate Syracuse numberspublic class Syracuse{ public static void main (String[] args) { int x = 19;// Define Syracuse number here System.out.println("The first number is " + x); while (x > 1) // Start the loop. Loop will end when x = 1 { if (x % 2 == 0) // Check if the number is even. { x=x/2; // If it is, divide it by two. } else { x = (3 * x) + 1; // If it isn't, times it by 3 and add 1 } System.out.println("The new syracuse number is " + x); // Print the current number } System.out.println("Syracuse number is now 1. Loop ended."); // Loop ended }}