#!/usr/local/bin/tcc -run
#include <stdio.h>
#include <math.h>

int main(){
  double a,b = 0;
  int x;
  
  scanf("%d",x);
  
  a = (1-(x/2))^2;
  
  b = a+(1/4);
  
  printf("%f\n",a);
  printf("%f",b);
  
 // b = 1 / sqrt(((1-(a/2))^2)+(1/4)));
  
  return 0;
}