#include <iostream>
#include <fstream>
#include <cstring>

using namespace std;

ifstream in ("date.in");

bool palindrom (char s[])
{
    int i, j, ln;
    ln=strlen(s);
    i = 0;
    j = ln - 1;
    while(i<j)
    {
        if(s[i]!=s[j]) return false;
        i++;
        j--;
    }
    return true;
}
int main()
{
    char s[101];
    in>>s;
    if(palindrom(s)) cout<<"1";
    else cout<<"0";
    return 0;
}