import java.util.*;

public class Main {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
		long a = sc.nextLong();
		long b = sc.nextLong();
		StringBuilder sb = new StringBuilder();
		sb.append(a / b).append(".");
		long mod = a % b;
		for (int i = 0; i < 50; i++) {
		    mod *= 10;
		    sb.append(mod / b);
		    mod %= b;
		}
		System.out.println(sb);
	}
}