#include <iostream>

#include <string>

#include <cstdio>

#include <cctype>

#pragma warning(disable:4996)

using namespace std;

string str = "A   3  HIL JM O   2TUVWXY51SE Z  8 ";//镜像串的特征，只有部分字母和数字有镜像

string out[] = { "啥都不是","是个回文串","是个镜像串","即是回文串，又是镜像串" };

char r(char s)

{

    if (isalpha(s)) return str[s - 'A'];

    return str[s - '' + ];

}

int main() {

    char a[];

    while (scanf("%s", a) == )

    {

        int len = strlen(a);

        int hui = , mirror = ;

        for (int i = ;i < (len+) / ;++i)

        {

            if (a[i] != a[len - i - ])  hui = ;//不是回文串

            if (r(a[i]) != a[len - i - ]) mirror = ;//不是镜像串

        }

        cout << out[mirror *  + hui];

    }

    return ;

}