import std.stdio, std.conv, std.string, std.range, std.typecons, std.format;
import std.algorithm.searching, std.algorithm.sorting, std.algorithm.iteration, std.algorithm.mutation;

void main()
{
    int[] input = readln().split.to!(int[]);
    double T = input[0];
    double X = input[1];
    writeln(T/X);
}
