#include <stdio.h>
int k; // tyle razy keyword
int p; // licznik nawiasow
int f; // flaga do wykrywania nawiasow
int i, j, h; // iterator dla petli
int match; // flaga 1 gdy sie zgadza slowo
int wordlength; // dlugosc slowa, licz od 1
int tmp;
int smiec;
char c; // bierzacy char
char prev; // poprzedni znak wczytany
char last; // ostatni zapisany znak
char next; // nastepny znaczek

char word[10];
char pword[10];

int main (int narg, char *arg[])
{
    FILE* in = fopen (arg[1], "rt");
    FILE* out = fopen (arg[2], "wt");
    strcpy (word, arg[3]); // wkleja do word keyword
    wordlength=strlen(word);
    last=' ';

    for (i = 0; word[i] != '\0'; i++) { // podmienia slowo kluczowe
        if(isdigit(word[i]))
        {
            if(word[i]=='0') pword[i] = '9';
            else pword[i]=word[i]-1;
        } else
        {
            pword[i]=tolower(word[i]);
        }
    }
    pword[i]='\n';

    do {
        f = 1;
        c = fgetc(in);
        if (c == '*') { // jesli komentarz sie konczy

            tmp = fgetc(in);
            if(tmp == '/'){
                p--;
                c = ' ';
                f = 0;
            } else ungetc(tmp, in);
        }
        if (c == '/') { // jesli komentarz sie zaczyna
            tmp = fgetc(in);
            if(tmp == '*'){
                c = tmp;
                p++;
                f = 0;
            } else ungetc(tmp, in);
        }

        if ((p == 0)&&(f == 1)) // ten kod wykona sie poza komentarzem
        {
            if (isblank(last) && c==word[0]){
                //printf("tutaj");
                j=0;
                while(1)
                {

                    if (c!=word[j]) break;
                    c = fgetc(in);
                    j++;
                    if (c == EOF) break;
                    //printf("%d", j);
                }
                if (j==wordlength){
                    //fscanf(in, "%c", &tmp);
                    //next = tmp;
                    //ungetc(tmp, in);
                    if ((!(isalnum(c)))||c==EOF){
                        match = 1;
                        k++;
                    }

                } else match = 0;

                if (match){
                    for (i=0;i<j;i++) {
                        putc(word[i], out);
                    }
                } else {
                    for (i=0;i<j;i++) {

                        putc(pword[i], out);

                    }
                }
            }


            if (isdigit(c)){if(c=='0') c='9'; else c--;}
            if (isupper(c)){c=tolower(c);}
            if (c!=EOF) {putc(c, out);}
            last = c;
            if(ispunct(c)) last = ' '; //??
            //printf("%d ",c);
        }


        prev = c;
    } while (c!=EOF);

    printf ("%d",k);
    fclose (in);
    fclose (out);
}