mironov

contest

#include <stdio.h>
#include <math.h>

main()
{
  double a,b;
  scanf ("%f%f", &a ,&b);
  if (a<b)
  {
    printf ("%f\n", (a/sqrt(b*b+b*b)));
  }
  else
  {
    printf ("%f\n", (b/sqrt(a*a+b*b)));
  }
  return 0;
}