Elevator Trouble

import java.util.Scanner;

public class Hissi {


    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        int f=s.nextInt();
        int l=s.nextInt();
        int k=s.nextInt();
        int u=s.nextInt();
        int d=s.nextInt();
        int painallukset=0;
        boolean onko =false;
        boolean[] kayty = new boolean[f+1];
        while (true) {
            if (l==k) {
                break;
            } else if (kayty[l]) {
                onko=true;
                break;
            }
            kayty[l]=true;
            painallukset++;
            if (l<k) {
                if (l+u<=k) {
                    l+=u;
                } else if (l-d>=0) {
                    l-=d;
                } else if (l+u<=f) {
                    l+=u;
                }
            } else if (l>k) {
                if (l-d>=k) {
                    l-=d;
                } else if (l+u<=f) {
                    l+=u;
                } else if (l-d>=0) {
                    l-=d;
                }
            }
        }
        if (onko) {
            System.out.println("use the stairs");
        } else {
            System.out.println(painallukset);
        }
    }
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: ACCEPTED