package con_level_1half;
import java.util.Scanner;

public class Con858 {

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		long A = s.nextLong() , B = s.nextLong();
		s.close();

		StringBuilder stb = new StringBuilder();
		stb.append(A/B);
		stb.append(".");
		long r = A%B * 10;
		for(int i = 0;i < 50;i++){
			stb.append(r/B);
			r = r%B * 10;
		}
		System.out.println(stb);
	}

}