GPIO State Enum

#include <iostream>
#include <cstdint>
using namespace std;

enum class PinState {
   Low,
   High
};

const char* toString(PinState s) {
	switch (s) {
      case PinState::Low:
         return "LOW";
         break;
      case PinState::High:
         return "HIGH";
         break;
   }

   return "UNKNOWN";
}


int main() {
   int x;
   cin >> x;
   PinState s = (x == 0) ? PinState::Low : PinState::High;
   cout << toString(s);
   return 0;
}