#include <bits/stdc++.h>   using namespace std;   string s;   int main() {     cin >> s;     long long n = s.size();     long long b = n / 2;     if (n % 2) {       while (1) {         if (s[b] ==  A ) break;         if (s[b] ==  H ) break;         if (s[b] ==  I ) break;         if (s[b] ==  M ) break;         if (s[b] ==  U ) break;         if (s[b] ==  T ) break;         if (s[b] ==  O ) break;         if (s[b] ==  I ) break;         if (s[b] ==  W ) break;         if (s[b] ==  V ) break;         if (s[b] ==  Y ) break;         if (s[b] ==  X ) break;         cout <<  NO  << endl;         return 0;       }     }     for (int i = 0; i < n; i++) {       if (s[i] ==  A ) {         continue;       } else if (s[i] ==  W ) {         continue;       } else if (s[i] ==  T ) {         continue;       } else if (s[i] ==  Y ) {         continue;       } else if (s[i] ==  U ) {         continue;       } else if (s[i] ==  I ) {         continue;       } else if (s[i] ==  O ) {         continue;       } else if (s[i] ==  H ) {         continue;       } else if (s[i] ==  X ) {         continue;       } else if (s[i] ==  V ) {         continue;       } else if (s[i] ==  M ) {         continue;       } else {         cout <<  NO  << endl;         return 0;       }     }     for (int i = 0; i < n / 2; i++) {       if (s[i] != s[n - i - 1]) {         cout <<  NO  << endl;         return 0;       }     }     cout <<  YES  << endl;     return 0;   }   