#include <bits/stdc++.h>

using namespace std;

int main(){
        ifstream f("pscpld.in");
        ofstream g("pscpld.out");
        char s[256];
        f>>s;
        int i,j,k=0,aux=strlen(s),sum=0,ok;
        while(aux>0){
                ok=1;
                j=strlen(s);
                for(i=k;i<=j;i++){
                        if(s[i]!=s[j])ok=0;
                }
                if(ok)sum++;
        }
        g<<sum;
}