#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
int main()
{
	freopen("savemzx.in","r",stdin);
	freopen("savemzx.out","w",stdout);
	char zf[500],front[250],behind[250],zfc[500];
	int l,hmyc=0,www[2]={0,0},hhh,ll;
	scanf("%s",&zf);
	l=strlen(zf);
	for(int i=0;i<l/2;i++)
	{
		hhh=0;
		strncpy(zfc,zf,i);
		for(int j=1;j<=i;j++)
		{
			ll=strlen(zfc);
			strncpy(front,zf,i);
		behind[i]=zfc[l-i];
		if(strcmp(front,behind)==0)
		{
			break;
		}
		else
		{
			zfc[ll-j]='\0';
			hmyc++;
		}
		hhh+=hmyc*hmyc;
		}
		if(hhh>www[2])
		{
			www[1]=www[2];
			www[2]=hhh;
		}
	}
	printf("%d",www[1]+www[2]);
	fclose(stdin);
	fclose(stdout);
	return 0;
}