1 import java.util.Random;
2 import java.util.Scanner;
4 public class PlayerCheatSmart {
5 public static void main(String[] args) {
6 Scanner in = new Scanner(System.in);
7 Random random = new Random();
9 int roadLength = in.nextInt();
10 int initialStones = in.nextInt();
14 int trollDistance = in.nextInt();
15 int stones = in.nextInt();
16 int opponentStones = in.nextInt();
18 int wantThrow = (roadLength - trollDistance + stones - 1) / stones;
19 int actualThrow = wantThrow > stones ? Integer.MIN_VALUE + 1
21 System.out.println(actualThrow);