#include<fstream>
using namespace std;
ifstream f("pscpld.in");
ofstream g("pscpld.out");
int l,poz,j,i1,j11,i,n,p[2000001];
char s[1000001],a[2000001];
long long nr;
int main()
{f>>s;
n=strlen(s)-1;
nr=n+1;
for(i=0;i<n;++i)
	for(j=i+1;j<=n;++j)
	{i1=i;
	j11=j;
	while(i1<j11)
	{if(s[i1]!=s[j11])
		break;
	++i1;
	--j11;
	}
	if(i1>=j11)
		++nr;
	}

g<<nr<<'\n';
return 0;
}