/**
* Program to calculate the mean of three numbers
* @author Andy Evans
* The next two lines are important for the code to run - we'll look at these 
* in the practical
**/ 
class Calculate {
	public static void main (String args[]) {

		// Get 3 numbers.
		// "ints" are integer numbers.

		int numberOne = 7;
		int numberTwo = 23;
		int numberThree = 42;

		// Sum the numbers.

		int sum = numberOne + numberTwo + numberThree;
	
		// Divide the sum by 3.
		// "doubles" are numbers with decimal places.

		double result = sum/3;

		// Print the result.

		System.out.println(result);

	}
}