#include <bits/stdc++.h>
using namespace std;
int m, n;
char a[100005], b;
int ffabs(int x) {
  if (x >= 0)
    return x;
  else
    return x * -1;
}
int main() {
  while ((a[++m] = getchar()) != '\n')
    ;
  if (m % 2 != 0) {
    cout << "No" << endl;
    return 0;
  }
  for (int i = m; i >= m / 2; i--) {
    int cha = ffabs(a[i] - a[m - i + 1]);
    if (cha != 1 && cha != 2) {
      cout << "No" << endl;
      return 0;
    }
  }
  cout << "Yes" << endl;
  return 0;
}
