#![allow(unused_macros, unused_imports)]

use std::collections::{HashMap, HashSet, VecDeque};
macro_rules! dbg {
    ($($xs:expr),+) => {
        if cfg!(debug_assertions) {
            std::dbg!($($xs),+)
        } else {
            ($($xs),+)
        }
    }
}

fn main() {
    input!{
        s: String,
    }

    let n = s.len();
    let s = s.bytes().collect::<Vec<_>>();
    let mut s0 = 0;
    for (i, c) in s.into_iter().enumerate() {
        if c == b'1' {
            s0 += 1u64<<i;
        }
    }

    let mut hs = HashSet::new();
    hs.insert(s0);
    let mut que = VecDeque::new();
    que.push_back(s0);

    while let Some(x) = que.pop_front() {
        for k in 2..=n/2 {
            let mut m = vec![0; n-k+1];
            for i in 0..=n-k {
                for p in i..i+k {
                    if x>>p&1 == 1 {
                        m[i] += 1;
                    }
                }
            }

            for i in 0..=n-2*k {
                for j in i+k..=n-k {
                    if m[i] != m[j] { continue; }
                    
                    let zi = ((1<<k)-1)<<i;
                    let zj = ((1<<k)-1)<<j;
                    let y = (x & !(zi|zj)) | ((x&zi)<<(j-i)) | ((x&zj)>>(j-i));

                    if !hs.contains(&y) {
                        dbg!(x, k, i, j, m[i], m[j]);
                        dbg!(x& !(zi|zj), (x&zi)>>(j-i), (x&zj)<<(j-i), y);
                        hs.insert(y);
                        que.push_back(y);
                    }
                }
            }
        }
    }

    dbg!(&hs);
    println!("{}", hs.len());
}

pub mod input {
    #[macro_export]
    macro_rules! input{
        (sc=$sc:expr,$($r:tt)*)=>{
            input_inner!{$sc,$($r)*}
        };
        ($($r:tt)*)=>{
            let mut sc=input::Scanner::new(std::io::stdin().lock());
            input_inner!{sc,$($r)*}
        };
    }

    #[macro_export]
    macro_rules! input_inner{
        ($sc:expr)=>{};
        ($sc:expr,)=>{};
        ($sc:expr,$var:ident:$t:tt$($r:tt)*)=>{
            let $var=read_value!($sc,$t);
            input_inner!{$sc $($r)*}
        };
    }

    #[macro_export]
    macro_rules! read_value{
        ($sc:expr,($($t:tt),*))=>{
            ($(read_value!($sc,$t)),*)
        };
        ($sc:expr,[$t:tt;$len:expr])=>{
            (0..$len).map(|_|read_value!($sc,$t)).collect::<Vec<_>>()
        };
        ($sc:expr,[$t:tt])=>{{
            let len = read_value!($sc, usize);
            (0..len).map(|_|read_value!($sc,$t)).collect::<Vec<_>>()
        }};
        ($sc:expr,Chars)=>{read_value!($sc,String).chars().collect::<Vec<char>>()};
        ($sc:expr,Usize1)=>{read_value!($sc,usize)-1};
        ($sc:expr,$t:ty)=>{$sc.next::<$t>()};
    }
    pub struct Scanner {
        s: Box<str>,
        input: std::iter::Peekable<std::str::SplitAsciiWhitespace<'static>>,
    }
    impl Scanner {
        pub fn new<R: std::io::Read>(mut reader: R) -> Self {
            let s = {
                let mut s = String::new();
                reader.read_to_string(&mut s).unwrap();
                s.into_boxed_str()
            };
            let mut sc = Scanner {
                s,
                input: "".split_ascii_whitespace().peekable(),
            };
            use std::mem;
            let s: &'static str = unsafe { mem::transmute(&*sc.s) };
            sc.input = s.split_ascii_whitespace().peekable();
            sc
        }
        #[inline]
        pub fn next<T: std::str::FromStr>(&mut self) -> T
        where
            T::Err: std::fmt::Debug,
        {
            self.input
                .next()
                .unwrap()
                .parse::<T>()
                .expect("Parse error")
        }
    }
}