#include<bits/stdc++.h>
using namespace std;
int mian()
{
	string a;
	cin >> a;
string b = a;
reverse(a.begin(), a.end());
for (int i = 0; i < a.length(); ++i)
{
	if (a[i] == 'b') a[i] = 'd';
	else if (a[i] == 'd') a[i] = 'b';
	else if (a[i] == 'p') a[i] = 'q';
	else if (a[i] == 'q') a[i] = 'p';
}
if (a == b) cout << "Yes";
else cout << "No";
	return 0;
}
