#include <bits/stdc++.h>

using namespace std;

int main() {
  string R, G, B;
  cin >> R >> G >> B;

  int r = R == "NONE"? 16: 16 - ceil((double)R.size() / 2);
  int g = G == "NONE"? 16: 16 - ceil((double)G.size() / 2);
  int b = B == "NONE"? 16: 16 - ceil((double)B.size() / 2);

  int ans = (r * r) * (g * g) * (b * b);
  printf("%d\n", ans);
  return 0;
}