#include <stdio.h>
#include <math.h>
/* This program is made available under the terms of the GNU copyleft*/

int main(void)

{

char buffer1[20];
char buffer2[20];
double symbols;          
double proportion;
double actual_symbol;

/*get the nums*/
printf("How many symbols are available in this system ?\n");
//gets(buffer1); 
if (fgets(buffer1,20,stdin) == NULL) { exit(1);}

printf("Of these, which symbol's Benford proportion do you want? ?\n");
//gets(buffer2); 
if (fgets(buffer2,20,stdin) == NULL) { exit(1);}

/*conv to values*/
symbols=atol(buffer1);
actual_symbol=atol(buffer2);

/* benford's proportion = log to the base n of (1 + 1/D) where D is*/
/* some symbol included in the symbol set */

proportion = log10(1+(1/actual_symbol)) / log10(symbols);


printf("Symbol %g occurs with proportion %g.\n\n", actual_symbol, proportion);


return 0;
}