def main():
    import sys
    S = sys.stdin.readline().strip()
    n = len(S)
    if n < 4:
        print(0)
        return

    is_prefix_pal = [False] * (n + 1)
    is_suffix_pal = [False] * (n + 1)

    for i in range(1, n + 1):
        s = S[:i]
        if s == s[::-1]:
            is_prefix_pal[i] = True

    for k in range(n):
        s = S[k:]
        if s == s[::-1]:
            is_suffix_pal[k] = True

    total = 0

    for i in range(1, n - 2 + 1):
        if not is_prefix_pal[i]:
            continue
        for k in range(i + 2, n):
            if not is_suffix_pal[k]:
                continue
            count = 0
            for j in range(i + 1, k):
                if S[i:j] == S[i:j][::-1]:
                    count += 1
            total += count

    print(total)

if __name__ == "__main__":
    main()