#include <iostream>

using namespace std;

int main()
{
   int x;
   cin >> x;

   if(x equals 1)
   {
      cout << "x is 1!" << endl;
   }
   else if(x equals 2)
   {
      cout << "x is 2!" << endl;
   }
   else if(x equals 3)
   {
      cout << "x is 3!" << endl;
   }
   else
   {
      cout << "x is NOT 1, 2, or 3, but x = " << x << endl;
   }

   return 0;
}