Examine the following program. 

// This program uses variables and literals.
public class BigLittle
{
 public static void main(String[] args)
 {
 int little;
 int big;
 little = 2;
 big = 2000;
 System.out.println("The little number is " + little);
 System.out.println("The big number is " + big);
 }
}

List the variables and literals found in the program.