namespace B2011
{
//计算分数的浮点数值
class Program
{
static void Main(string[] args)
{
string[] str = Console.ReadLine().Split();
int a, b;
double c;
a = Convert.ToInt32(str[0]);
b = Convert.ToInt32(str[1]);
c =(double)a /(double)b;
Console.WriteLine("{0:f9}",c);
}
}
}
