// Arup Guha
// 10/7/2017
// Solution to Junior Knights Free Response Question #3 (from Loop Practice)
// Prints a chart of the height of a ball at each second when dropped (in feet).

import java.util.*;

public class drop {

	public static void main(String[] args) {

		Scanner stdin = new Scanner(System.in);
		System.out.println("Enter the height in feet from which you are dropping the ball.");
		int height = stdin.nextInt();
		int time = 0;

		System.out.println("Time\tHeight");

		// This loop prints as long as the ball is in the air.
		while (height - 16*time*time > 0) {
			System.out.println(time+"\t\t"+(height-16*time*time));

			// Goes to the next second.
			time = time + 1;
		}

		// We hit the ground.
		System.out.println(time+"\t\t0");


	}
}