#include <bits/stdc++.h>
using namespace std;
int main() {
  string s;
  cin >> s;
  string t = s;
  int n = s.size();
  for (int i = 0; i < n; i++) {
    if (s[i] == 'b') {
      s[i] == 'd';
      continue;
    } else if (s[i] == 'd') {
      s[i] == 'b';
      continue;
    } else if (s[i] == 'p') {
      s[i] == 'q';
      continue;
    } else if (s[i] == 'q') {
      s[i] == 'p';
      continue;
    }
  }
  if (s == t)
    cout << "Yes" << endl;
  else
    cout << "No" << endl;
}
