#include <stdio.h>
#include <stdlib.h>
#include <explode.c>
#include <fopenmkdir.c>
#include <limits.h>
#include <strlcpy.c>
#include <strlcat.c>
#include <string.h>
#define DAN 69
#define NOC 420
#define JUTRO 1337

int main(int argc, char *argv[]) {
	if(argc != 1+2) {
		fprintf(stderr, "usage: %s <ločilo > <x os/stolpec 0-999>\n", argv[0]);
		return 1;
	}
	char *delim = argv[1];
	int stolpec = atoi(argv[2]);
	char **list;
	size_t i, len;
	char line[1337];
	int iter = 0;
	int status = DAN;
	double zacetna_vrednost;
	fgets(line, 1337, stdin);
	line[strcspn(line, "\n")] = 0;

	while(1) {

		explode(line, delim, &list, &len);

		if(iter == 0) {
			zacetna_vrednost = atof(list[stolpec]);
		}

		for(int j = 0; j < len; j++)
			if(j == len-1)
				if(j == stolpec)
					fprintf(stdout, "%f", atof(list[j])-zacetna_vrednost);
				else
					fprintf(stdout, "%s", list[j]);
			else
				if(j == stolpec)
					fprintf(stdout, "%f%s", atof(list[j])-zacetna_vrednost, delim);
				else
					fprintf(stdout, "%s%s", list[j], delim);

		fprintf(stdout, "\n");


		/* free list */
		for(i = 0; i < len; ++i) {
			free(list[i]);
		}

		free(list);

		fgets(line, 1337, stdin);

		if(feof(stdin)) {
			break;
		}
		// fprintf(stderr, "d: %s", line);
		line[strcspn(line, "\n")] = 0;

		iter++;
	}
	return 0;
}