#!/bin/bash

for (( i = -32; i <=300 ; i+=1 ));
do
    echo "$i" | ./a.out > prog_c.txt
    echo "scale=40;c(2^$i)" | bc -l > prog_bc.txt
    echo "scale=40;a="`cat valC.txt`"-("`cat valBC.txt`");if(0>a)a*=-1;a" | bc -l >> essaye.csv
    echo "$i"
done


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

int main(void) {
  long double a;
  scanf("%Lf", &a);
  printf("%.40Lf\n", cosl(powl(2,a)));
  return 0;
}