#include <iostream>

using namespace std;

int main () {
int j;

cout << "zamien liczbe arabska na rzymska" << endl;
cin >> j ;
switch (j){
    case 1 :
    cout << "I";
    break;
    case 2 :
    cout << "II";
    break;
    case 3 :
    cout << "III";
    break;
    case 4 :
    cout << "IV";
    break;
    case 5 :
    cout << "V";
    break;
       case 6 :
    cout << "VI";
    break;
       case 7 :
    cout << "VII";
    break;
       case 8 :
    cout << "VIII";
    break;
      case 9 :
    cout << "IX";
    break;
      case 10 :
    cout << "X";
    break;
}


}