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

#define MAXLINE 1000
#define MAXBAGS 1000

struct bag {
	char *color;
	struct baglist *above;
};

struct baglist {
	struct bag *bag,
	struct baglist *next;
};
	
char *bagnames[MAXBAGS];

int main()
{
	char buffer[MAXLINE];

	while (fgets(buffer, MAXLINE, stdin)) {
		char *p;
		p = strstr(buffer, " bag");
		*p = 0;
		printf("bag: %s\n", buffer);
		p = strstr(p+1, " contain ") + strlen(" contain");

		while (p) {
			if (*p == ' ')
				p++;
			if (*p == 'n') {
				printf("\tno other\n");
				break;
			}
			int num = atoi(p);
			char *bag = p = strchr(p, ' ') + 1;
			p = strstr(p, " bag");
			*p = 0;
			p += strlen(" bag");
			printf("\t%d, %s.\n", num, bag);
			p = strchr(p, ' ');
		}
	}
}