#include <stdio.h>
/* Define deposit_rate and marginal_rate to be global variables */
double deposit_rate, marginal_rate;
void display_net_rate ( ) {
  printf ("The net rate for deposits in your bracket is %f percent.\n", 
          deposit_rate * (1 - marginal_rate / 100.0));
}
/* Then, define main */
main ( ) {
  scanf ("%lf%lf", &deposit_rate, &marginal_rate);
  display_net_rate ( );
}