//  Pick a number.
//  Double the number.
//  Add 8 to the result.
//  Divide the result by 2.
//  Subtract the original number.

public class Numbers1 {
	public static void main(String[] args) {
		double x = 3.14;
		int a = 3843938;
		int b = 2 * a + 8;
		int d = b / 2;
		int e = d - a;
		System.out.println(e);
	}
}