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


/*
char** input(){
    int i = 0;
    int len_text = 1;
    int len_sen = 3;
    int j = 0;
    char c;
    char** text = calloc(len_text, sizeof(char*));
    text[i] = (char*) calloc(len_sen, sizeof(char));

    do{
        c = getchar();

        if(c == '\n'){
            len_text += 1;
            text = realloc(text, sizeof(char*)*(len_text));
            text[i][j] = c;
            text[i][j+1] = '\0';
            text[i+1] = (char*) calloc(3, sizeof(char));
            i++;
            j = 0;
            len_sen = 3;
            continue;
        } else
            text[i][j] = c;

        if(j >= len_sen - 3){
            len_sen += 3;
            text[i] = realloc(text[i], (len_sen)*sizeof(char));
        }
        j++;
    }while(c != '.');
    text[i][0] = '\n';
    return text;
} */


char* input(){
    int size = 15;
    char* string = calloc(len_sen*sizeof(char));


}


void output(char **text, int i){
    for(int h = 0; h < i; h++){
        if(text[h][0] != '\0')
            printf("%s ", text[h]);
    }
    printf("\n");
}


int text_len(char** text, int i){

    int j = 0;
    while(text[i][0] != '\n'){
        if(text[i][j] == '\0'){
            i++;
            j = 0;
        }
        j++;
    }

    return i;
}


int main(){

    int i = 0;
    size_t maxGroups = 3;
    regex_t regexCompiled;
    regmatch_t groupArray[maxGroups];
    char** text = input();
    i = text_len(text, i);
    char* regex_str = "\\w+@[\\w-]+: ?~ ?\\# (.+)";

    if (regcomp(&regexCompiled, regex_str, REG_EXTENDED)){
        printf("Ошибка компиляции регулярного выражения\n");
        return 0;
    }

    for(int k = 0; k < i; k++){
        if(!regexec(&regexCompiled, text[k], maxGroups, groupArray, 0)){
           for(int m=groupArray[1].rm_so; m<groupArray[1].rm_eo; m++) putchar(text[i][m]);
           printf(" - ");
           for(int m=groupArray[2].rm_so; m<groupArray[2].rm_eo; m++) putchar(text[i][m]);
           putchar('\n');
       }
    }
    output(text, i);
    for(int s = 0; s < i; s++){
        free(text[s]);
    }

    return 0;
}