package yukiCoder; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class No00388 { public static void main(String[] args) { BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in)); try { String[] input = new String[2]; input = bufferedReader.readLine().split(" "); int stepCount = Integer.parseInt(input[0]); Integer houseHight = Integer.parseInt(input[1]); if (stepCount == 0) { System.out.println("1"); return; } else { int count = 0; count = (int) (stepCount/houseHight); if(stepCount%houseHight != 0) { count++; } System.out.println(count); } } catch (IOException e) { e.printStackTrace(); } } }