#include <stdio.h>


int main(int argc, char **argv) {

    FILE *input = stdin;
    FILE *output = stdout;
    char character;
    enum {
        START,
        SLASH,
        D_SLASH,
        MLC,
        E_MLC,
        STR,
        ESC
    } state = START;

    if (argc > 1) {
        input = fopen(argv[1], "r");
        if (input == NULL) {
            fprintf(stderr, "Nepodarilo se otevrit soubor %s\n", argv[1]);
        }
    }

    if (argc > 2) {
        output = fopen(argv[2], "w");
        if (output == NULL) {
            fprintf(stderr, "Nepodarilo se otevrit soubor %s\n", argv[2]);
        }
    }

    while ((character = fgetc(input)) != EOF) {
        switch (state) {
            case START:
                if (character == '/') {
                    state = SLASH;
                } else {
                    fputc(character, output);
                    state = START;
                }
                break;
            case SLASH:
                if (character == '/') {
                    state = D_SLASH;
                } else if (character == '*') {
                    state = MLC;
                } else {
                    state = START;
                    fprintf(output, "/%c", character);
                }
                break;
            case D_SLASH:
                if (character == '\n') {
                    state = START;
                    fputc(character, output);
                } else {
                    state = SLASH;
                }
                break;
            case MLC:
                if (character == '*') {
                    state = E_MLC;
                }
                break;
            case E_MLC:
                if (character == '/') {
                    state = START;
                }
                break;
            case STR:
                fputc(character, output);
                if (character == '"') {
                    state = START;
                } else if (character == '\n') {
                    state = ESC;
                }
                break;
            default:
                break;
        }
    }
    return 0;
}