#include <stdio.h>
#include <math.h>
/* This program is made available under the terms of the GNU Copyleft */
int main(void)

{

char symbols[20];
double sym;          
double bits;

/*get the nums*/
printf("How many symbols are available in this system ?\n");
//gets(symbols); 
if (fgets(symbols,20,stdin) == NULL) { exit(1);}

/*conv to values*/
sym=atol(symbols);

bits= log10(sym) / (log10(2));

/*shannon's law is expressed in terms of log2(x) hence fiddly conversion*/

printf("This is a radix=%g system with %g bits per symbol.\n\n", sym,
bits);


return 0;
}