#include <iostream>
using namespace std;

int main()
{
   int i, x, n;
   char str[100];
   char str2[100];

   cout << "tell me why you got something to hide:\t";
   cin >> str;
	cout<< "tell me why you got the key here: ";
	cin>>n;

   cout << "\nchoose wise:\n";
   cout << "1 = zaszyfrowanie.\n";
   cout << "2 = odszyfrowanie.\n";

   cin >> x;

   switch(x)
   {

      case 1:

         for(i = 0; (i < 100 && str[i] != '\0'); i++)
            str[i] = str[i] + n;

         cout << "\nZaszyfrowanie: " << str << endl;
         break;


      case 2:

         for(i = 0; (i < 100 && str[i] != '\0'); i++)
         str[i] = str[i] - n;

      cout << "\nOdszyfrowanie: " << str << endl;
      break;

      default:
         cout << "\nZle dane !!!\n";

	}
return x;


}