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

void inputString(char* name) {
   printf("Enter your string: ");
   fgets(name, 100, stdin);
}

void changeString(name) {
   printf("The result of program is: ");
   char* newName = name;
   char c = 0;
   while (c = *newName++)
   {
      if (c == 'a' || c == 'а')
      {
         *(newName - 1 )= '@';
      }
   }
}

void outputString(name) {
   printf("The result of program is: ");
   char* newName = name;
   char c = 0;
   while (c = *newName++)
   {
         printf("%c", c);
      Sleep(200);
   }
}
void outputString1(name) {
   printf("The result of program is: ");
   char* newName = name;
   char c = 0;
   while (c = *newName++)
   {

      if (c == 'a' || c == 'а')
      {
         c = '@';
         printf("%c", c);
      }
      else {
         printf("%c", c);
      }
      Sleep(200);
   }
}

int main()
{
   char name[100];
   inputString(&name);
   changeString(name);
   outputString(name);
   return 0;
}