import java.util.*;

public class Example2_18
{
	static Scanner console = new Scanner(System.in);

    public static void main(String[] args)
    {
		int firstNum, secondNum;
		char ch;
		double z;

		firstNum = 4;                                      		//Line 1

		System.out.println("Line 2: firstNum = "
		                  + firstNum);                     		//Line 2

		secondNum = 2 * firstNum + 6;                      		//Line 3

		System.out.println("Line 4: firstNum = " + firstNum
		                 + ", secondNum = " + secondNum);  		//Line 4

		z = (firstNum + 1) / 2.0;                          		//Line 5

		System.out.println("Line 6: firstNum = " + firstNum
		                 + ", secondNum = " + secondNum
		                 + ", z = " + z);                  		//Line 6

		ch = 'A';                                         		//Line 7

		System.out.println("Line 8: firstNum = " + firstNum
				         + ", secondNum = " + secondNum
				         + ", ch = " + ch
		                 + ", z = " + z);                 		//Line 8

		secondNum = console.nextInt();                    		//Line 9

		System.out.println("Line 10: firstNum = " + firstNum
		     	         + ", secondNum = " + secondNum
					     + ", ch = " + ch
				         + ", z = " + z);                  		//Line 10

		z = console.nextDouble();                         		//Line 11
		System.out.println("Line 12: firstNum = " + firstNum
				     	 + ", secondNum = " + secondNum
						 + ", ch = " + ch
				         + ", z = " + z);                  		//Line 12

		firstNum = 2 * secondNum + (int)(z);              		//Line 13

		System.out.println("Line 14: firstNum = " + firstNum
				         + ", secondNum = " + secondNum
						 + ", ch = " + ch
				         + ", z = " + z);                  		//Line 14

		secondNum = secondNum + 1;                       		//Line 15

		System.out.println("Line 16: firstNum = " + firstNum
				     	 + ", secondNum = " + secondNum
						 + ", ch = " + ch
				         + ", z = " + z);                  		//Line 16

		ch = console.next().charAt(0);                   		//Line 17

		System.out.println("Line 18: firstNum = " + firstNum
				     	 + ", secondNum = " + secondNum
						 + ", ch = " + ch
				         + ", z = " + z);                  		//Line 18

		firstNum = firstNum + (int)(ch);                 		//Line 19

		System.out.println("Line 20: firstNum = " + firstNum
				         + ", secondNum = " + secondNum
						 + ", ch = " + ch
				         + ", z = " + z);                  		//Line 20

		z = firstNum - z;                                  		//Line 21
		System.out.println("Line 22: firstNum = " + firstNum
				         + ", secondNum = " + secondNum
					     + ", ch = " + ch
				         + ", z = " + z);                  		//Line 22
    }
}


$ java Example2_18.class
Exception in thread "main" java.lang.NoClassDefFoundError: Example2_18.class
   at gnu.java.lang.MainThread.run() (/usr/lib/libgcj.so.6.0.0)
Caused by: java.lang.ClassNotFoundException: Example2_18.class not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:./,file:./], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}
   at java.net.URLClassLoader.findClass(java.lang.String) (/usr/lib/libgcj.so.6.0.0)
   at java.lang.ClassLoader.loadClass(java.lang.String, boolean) (/usr/lib/libgcj.so.6.0.0)
   at java.lang.ClassLoader.loadClass(java.lang.String) (/usr/lib/libgcj.so.6.0.0)
   at java.lang.Class.forName(java.lang.String, boolean, java.lang.ClassLoader) (/usr/lib/libgcj.so.6.0.0)
   at gnu.java.lang.MainThread.run() (/usr/lib/libgcj.so.6.0.0)