/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
  public static int ceil(int dividend, int divisor) {
    int a = dividend / divisor;
    int b = dividend % divisor == 0 ? 0 : 1;
    return a + b;
  }
 
  public static int ceil2(int n, int d) {
    return (n + d - 1) / d;
  }
 
  public static void test(int n, int d) {
    System.out.println((double) n / (double) d);
    System.out.println(ceil(n, d));
    System.out.println(ceil2(n, d));
    System.out.println(Math.ceil((double) n / (double) d));
  }
 
  public static void main(String[] args) {
    test(-5, 3);
  }
 
}

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