#include <stdio.h>
#include <string.h>

int C[1000001]; char S[1000001];

int pal( int x, int y )
{
	while(x<y)
	{
		if(S[x] != S[y]) return 0;
		++x; -- y;
	}

	return 1;
}

int main()
{
    
    freopen("pscpld.in", "r", stdin);
	freopen("pscpld.out", "w", stdout);
    
    int i, j;

    gets(S);

    strcpy(S+1, S);
    S[0] = '$';

    for(i=1; i<strlen(S); ++i)
    {
             C[i] = C[i-1]+1;
             
             for(j=1; j<i; ++j)
                      if( pal(j, i) )
                          ++ C[i];
    }

    printf("%d", C[strlen(S)-1]);

    fclose(stdin); fclose(stdout);
    return 0;
}