#include <stdio.h>
#include <ctype.h>
#include <stdbool.h>
bool letter(char a)
{
    if ((a>='a' && a<='z') || (a>='A' && a<='Z'))
        return true;
    else return false;
}
int main() {
    FILE* f;
    if(!(f=fopen("/Users/ilabockov/Desktop/Каринка/aaa.txt","r+")))
    {
        printf ("error opening file");
        return 1;
    }
    char ch;
    int count=1;
    int size;
    int flag=0;

    while (((ch=getc(f))!=EOF))
    {
        if (letter(ch)==false)
        {
            if(count==5){
                flag=1;
                break;
            }
            ch=getc(f);
            if (letter(ch)==true)
            {
                count ++;
            }

        }
        if(flag==1){
            break;
        }
        if (count==5)
        {
            size++;
            printf ("%c",ch);
        }
    }
    fseek(f,-1,SEEK_CUR);
    int minussize=(-size)-1;
    while((ch=getc(f))!=EOF){
        fseek(f,minussize,SEEK_CUR);
        fputc(ch, f);
        fseek(f,size,SEEK_CUR);
    }
    fputc(f,'\0');
    printf ("%d\n",count);
    fclose (f);
    return 0;
}