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 - 1; i++) {
            isUse[i][i] = true;
            isUse[i][i + 1] = (arr[i] == arr[i + 1]);
        }
        isUse[length - 1][length - 1] = true;
        for (int i = 2; i < length; i++) {
            for (int j = 0; i + j < length; j++) {
                isUse[j][j + i] = (arr[j] == arr[j + i] && isUse[j + 1][j + i - 1]);
            }
        }
        int[] counts = new int[length];
        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]) {
                    counts[j]++;
                }
            }
        }
        long[] lasts = new long[length];
        lasts[length - 1] = 1;
        for (int i = length - 2; i >= 0; i--) {
            lasts[i] = lasts[i + 1];
            if (isUse[i][length - 1]) {
                lasts[i]++;
            }
        }
        long ans = 0;
        for (int i = 0; i + 2 < length; i++) {
            ans += counts[i] * lasts[i + 2];
        }
        System.out.println(ans);
    }
}