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

#define line_size 80

void main(int argc, char* argv[])
{
    enum {search, show_tag} state = search;
    char line[line_size] = {'\0'};
    int result = 0;

    if( argc < 2 )
    {
        printf("usage: %s <tag> < <source_file>\n", argv[0]);
        exit(1);
    }

    while( gets(line) )
    {
        switch(state)
        {
        case search:
            if( line[0] == '#' )
            {
                result = strcmp(line + 1, argv[1]);
                if( result == 0 )
                    state = process;
            }
            break;
        case show_tag:
            if( line[0] == '#' && line[1] == '/')
            {
                result = strcmp(line + 2, argv[1]);
                if( result == 0 )
                    goto done;
                    
            } else
                puts(line);
            break;
        }
    }
done:
    exit(0);
}