import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        char[] arr = sc.next().toCharArray();
        int length = arr.length;
        boolean[][] isUse = new boolean[length][length];
        for (int i = 0; i < length; i++) {
            for (int j = i; j < length; j++) {
                int left = i;
                int right = j;
                isUse[i][j] = true;
                while (left < right) {
                    if (arr[left] != arr[right]) {
                        isUse[i][j] = false;
                        break;
                    }
                    left++;
                    right--;
                }
            }
        }
        int ans = 0;
        for (int i = 0; i < length - 3; i++) {
            if (!isUse[0][i]) {
                continue;
            }
            for (int j = i + 1; j < length - 2; j++) {
                if (!isUse[i + 1][j]) {
                    continue;
                }
                for (int k = j + 2; k < length; k++) {
                    if (isUse[k][length - 1]) {
                        ans++;
                    }
                }
            }
        }
        System.out.println(ans);
    }
}