#include <iostream>
using namespace std;
char* DecryptMystring(char* RawStr)
    {

        for (int i = 0;i<4; i++)
        {
           RawStr[i]-=3;
        }

        return RawStr;
    }

char* EncryptMystring(char* RawStr)
    {

        for (int i = 0;  i<4; i++)
        {
            RawStr[i]+=3;
        }

        return RawStr;
    }
int main()
{
   char* Encrypted = EncryptMystring("getCrc");
   cout<<Encrypted;
char* Decrypted = DecryptMystring(Encrypted);
cout<<Decrypted;

}