import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { static int howManyGames(int p, int d, int m, int s) { // Return the number of games you can buy int count = 0; int rem =s; if (s
=m){ if(count==0){ rem -= p; count++; continue; } int k = p - (count*d); if (k<=m){ k = m; } rem -= k; count++; if(rem<0) return count-1; } return count; } public static void main(String[] args) { Scanner in = new Scanner(System.in); int p = in.nextInt(); int d = in.nextInt(); int m = in.nextInt(); int s = in.nextInt(); int answer = howManyGames(p, d, m, s); System.out.println(answer); in.close(); } }