/**
 * code generated by JHelper
 * More info: https://github.com/AlexeyDmitriev/JHelper
 * @author RiaD
 */

#include <iostream>
#include <fstream>

#include <iostream>



#include <assert.h>
#include <type_traits>


#include <string>
#include <stdexcept>

#ifndef SPCPPL_ASSERT
	#ifdef SPCPPL_DEBUG
		#define SPCPPL_ASSERT(condition) \
		if(!(condition)) { \
			throw std::runtime_error(std::string() + #condition + " in line " + std::to_string(__LINE__) + " in " + __PRETTY_FUNCTION__); \
		}
	#else
		#define SPCPPL_ASSERT(condition)
	#endif
#endif





template <typename T, typename = std::true_type>
struct IdentityHelper;

template <typename T>
struct IdentityHelper<T, typename std::is_arithmetic<T>::type> {
	static T identity() {
		return 1;
	}
};

template <typename T>
T identity() {
	return IdentityHelper<T>::identity();
}



/**
* ax + by = result
*/
template <typename T>
T extendedGcd(T a, T b, T& x, T& y) {
	if (a == 0) {
		x = 0;
		y = 1;
		return b;
	}
	T d = extendedGcd(b % a, a, y, x);
	x -= (b / a) * y;
	return d;
}

template <typename T>
class Zn {
public:
	Zn(): value(0) {
	}

	/**
	* Instead of ctor, to allow not to normalize in ctor
	*/
	static Zn valueOf(int value) {
		int x = value % mod();
		if (x < 0) {
			x += mod();
		}
		return Zn(x);
	}

	static Zn valueOf(long long value) {
		int x = static_cast<int>(value % mod());
		if (x < 0) {
			x += mod();
		}
		return Zn(x);
	}

	static Zn rawValueOf(int value) {
		SPCPPL_ASSERT(value >= 0 && value < mod());
		return Zn(value);
	}

	Zn& operator=(int rhs) {
		return *this = Zn::valueOf(rhs);
	}

	Zn& operator=(long long rhs) {
		return *this = Zn::valueOf(rhs);
	}

	Zn& operator+=(const Zn& rhs) {
		value += rhs.value;
		if (value >= mod()) {
			value -= mod();
		}
		return *this;
	}

	Zn& operator+=(int rhs) {
		return *this += Zn::valueOf(rhs);
	}

	Zn& operator+=(long long rhs) {
		return *this += Zn::valueOf(rhs);
	}

	Zn& operator-=(const Zn& rhs) {
		value -= rhs.value;
		if (value < 0) {
			value += mod();
		}
		return *this;
	}

	Zn& operator-=(int rhs) {
		return *this -= Zn::valueOf(rhs);
	}

	Zn& operator-=(long long rhs) {
		return *this -= Zn::valueOf(rhs);
	}

	Zn& operator*=(const Zn& rhs) {
		long long result = static_cast<long long>(value) * static_cast<long long>(rhs.value);
		value = static_cast<int>(result % mod());
		return *this;
	}

	Zn& operator*=(int rhs) {
		return *this *= Zn::valueOf(rhs);
	}

	Zn& operator*=(long long rhs) {
		return *this *= Zn::valueOf(rhs);
	}

	Zn operator-() const {
		if (value == 0) {
			return *this;
		}
		else {
			return Zn(mod() - value);
		}
	}

	Zn& operator/=(const Zn& rhs) {
		return *this *= rhs.inversed();
	}

	Zn& operator/=(int rhs) {
		return *this /= Zn::valueOf(rhs);
	}

	Zn& operator/=(long long rhs) {
		return *this /= Zn::valueOf(rhs);
	}

	bool operator==(const Zn& rhs) const {
		return value == rhs.value;
	}

	Zn inversed() const {
		SPCPPL_ASSERT(value != 0);

		int x, y;
		int gcd = extendedGcd(value, mod(), x, y);
		(void) gcd;
		SPCPPL_ASSERT(gcd == 1);

		if (x < 0) {
			x += mod();
		}
		return Zn(x);
	}

	template <typename U>
	friend std::ostream& operator<<(std::ostream&, const Zn<U>& zn);

	template <typename U>
	friend std::istream& operator>>(std::istream&, Zn<U>& zn);

	int intValue() const {
		return value;
	}

private:
	/**
	* No normalization performed
	*/
	explicit Zn(int value): value(value) {
	}

	int value;

	constexpr static int mod() {
		return T::value;
	}

	template <int N = T::value>
	static constexpr bool positive_or_runtime(int) {
		return N > 0;
	}
	static constexpr bool positive_or_runtime(...) {
		return true;
	}
	static_assert(
			std::is_same<typename std::decay<decltype(T::value)>::type, int>::value,
			"T::value must be int"
	);
	static_assert(positive_or_runtime(0), "Mod has to be positive integer");
};

template <typename T>
bool operator==(const Zn<T>& lhs, int rhs) {
	return lhs == Zn<T>::valueOf(rhs);
}

template <typename T>
bool operator==(int lhs, const Zn<T>& rhs) {
	return rhs == lhs;
}
template <typename T>
bool operator==(const Zn<T>& lhs, long long rhs) {
	return lhs == Zn<T>::valueOf(rhs);
}

template <typename T>
bool operator==(long long lhs, Zn<T>& rhs) {
	return rhs == lhs;
}

template <typename T>
bool operator!=(const Zn<T>& lhs, const Zn<T>& rhs) {
	return !(lhs == rhs);
}

template <typename T>
bool operator!=(const Zn<T>& lhs, int rhs) {
	return !(lhs == rhs);
}

template <typename T>
bool operator!=(int lhs, const Zn<T>& rhs) {
	return !(lhs == rhs);
}

template <typename T>
bool operator!=(const Zn<T>& lhs, long long rhs) {
	return !(lhs == rhs);
}

template <typename T>
bool operator!=(long long rhs, const Zn<T>& lhs) {
	return !(lhs == rhs);
}

template <typename T>
Zn<T> operator+(const Zn<T>& lhs, const Zn<T>& rhs) {
	Zn<T> copy = lhs;
	return copy += rhs;
}

template <typename T>
Zn<T> operator+(const Zn<T>& lhs, int rhs) {
	Zn<T> copy = lhs;
	return copy += rhs;
}

template <typename T>
Zn<T> operator+(int lhs, const Zn<T>& rhs) {
	return rhs + lhs;
}

template <typename T>
Zn<T> operator+(const Zn<T>& lhs, long long rhs) {
	Zn<T> copy = lhs;
	return copy += rhs;
}

template <typename T>
Zn<T> operator+(long long lhs, const Zn<T>& rhs) {
	return rhs + lhs;
}

template <typename T>
Zn<T> operator-(const Zn<T>& lhs, const Zn<T>& rhs) {
	Zn<T> copy = lhs;
	return copy -= rhs;
}

template <typename T>
Zn<T> operator-(const Zn<T>& lhs, int rhs) {
	Zn<T> copy = lhs;
	return copy -= rhs;
}

template <typename T>
Zn<T> operator-(int lhs, const Zn<T>& rhs) {
	return Zn<T>::valueOf(lhs) - rhs;
}

template <typename T>
Zn<T> operator-(const Zn<T>& lhs, long long rhs) {
	Zn<T> copy = lhs;
	return copy -= rhs;
}

template <typename T>
Zn<T> operator-(long lhs, const Zn<T>& rhs) {
	return Zn<T>::valueOf(lhs) - rhs;
}

template <typename T>
Zn<T> operator*(const Zn<T>& lhs, const Zn<T>& rhs) {
	Zn<T> copy = lhs;
	return copy *= rhs;
}

template <typename T>
Zn<T> operator*(const Zn<T>& lhs, int rhs) {
	Zn<T> copy = lhs;
	return copy *= rhs;
}

template <typename T>
Zn<T> operator*(int lhs, const Zn<T>& rhs) {
	return rhs * lhs;
}

template <typename T>
Zn<T> operator*(const Zn<T>& lhs, long long rhs) {
	Zn<T> copy = lhs;
	return copy *= rhs;
}

template <typename T>
Zn<T> operator*(long long lhs, const Zn<T>& rhs) {
	return rhs * lhs;
}

template <typename T>
Zn<T> operator/(const Zn<T>& lhs, const Zn<T>& rhs) {
	Zn<T> copy = lhs;
	return copy /= rhs;
}

template <typename T>
Zn<T> operator/(const Zn<T>& lhs, int rhs) {
	Zn<T> copy = lhs;
	return copy /= rhs;
}

template <typename T>
Zn<T> operator/(int lhs, const Zn<T>& rhs) {
	return Zn<T>::valueOf(lhs) / rhs;
}

template <typename T>
Zn<T> operator/(const Zn<T>& lhs, long long rhs) {
	Zn<T> copy = lhs;
	return copy /= rhs;
}

template <typename T>
Zn<T> operator/(long long lhs, const Zn<T>& rhs) {
	return Zn<T>::valueOf(lhs) / rhs;
}

template <typename T>
std::ostream& operator<<(std::ostream& stream, const Zn<T>& zn) {
	return stream << zn.value;
}

template <typename T>
std::istream& operator>>(std::istream& stream, Zn<T>& zn) {
	long long value;
	stream >> value;
	zn.value = static_cast<int>(value % T::value);
	return stream;
}

template <typename T>
struct IdentityHelper<Zn<T>> {
	static Zn<T> identity() {
		return Zn<T>::valueOf(1);
	}
};

template <int m>
using ZnConst = Zn<std::integral_constant<int, m>>;



#include <vector>


template <typename T, size_t N>
struct MakeVector {
	template <
			typename... Args,
			typename R = std::vector<decltype(MakeVector<T, N - 1>::make_vector(std::declval<Args>()...))>
	>
	static R make_vector(std::size_t first, Args... sizes) {
		auto inner = MakeVector<T, N - 1>::make_vector(sizes...);
		return R(first, inner);
	}
};

template <typename T>
struct MakeVector<T, 1> {
	/*
	 * This template is to fool CLion.
	 * Without it CLion thinks that make_vector always returns std::vector<T> and marks code like
	 *
	 * auto dp = make_vector<int>(n, m, 0);
	 * dp[0][0] = 1 as error because it suppose that dp[0] is int
	 *
	 * TODO: Consider removing it once https://youtrack.jetbrains.com/issue/CPP-3340 is fixed
	 */
	template <typename R = std::vector<T>>
	static R make_vector(std::size_t size, const T& value) {
		return R(size, value);
	}
};

template <typename T, typename... Args>
auto make_vector(Args... args) -> decltype(MakeVector<T, sizeof...(Args) - 1>::make_vector(args...)) {
	return MakeVector<T, sizeof...(Args) - 1>::make_vector(args...);
}

#include <algorithm>

template <typename T>
void updateMin(T& oldValue, const T& newValue) {
	if (newValue < oldValue) {
		oldValue = newValue;
	}
}

template <typename T>
void updateMax(T& oldValue, const T& newValue) {
	if (oldValue < newValue) {
		oldValue = newValue;
	}
}

#include <map>
#include <unordered_map>
//#define PROBLEM "problem_name.h"
//#include PROBLEM
//#include <message.h>
//#include <spcppl/dgcj.h>

using namespace std;

class E {
public:
	using Z = ZnConst<998244353>;
	void solve(std::istream& in, std::ostream& out) {
		string s;
		in >> s;
		out << solve(s);


		int mx = 100;
		string t(mx, '0');
		for (int i = 0; i < mx; ++i) {
			t[i] += rand()% 2;
		}

		cerr << solve(t);
	}

	std::unordered_map<string, Z> memo;

	Z solve(string s) {
		if (s.empty()) {
			return Z::rawValueOf(1);
		}
		if (memo.count(s)) {
			return memo[s];
		}
		Z ans = (s[0] - '0' + 1) * solve(s.substr(1));
		for (int i = 1; i <= s.size() / 2; ++i) {
			string cur = s.substr(0, i);
			int b = i;
			int e = 2 * i;
			for (;e <= s.size(); (b += i, e += i)) {
				for (int j = 0; j < i; ++j) {
					updateMin(cur[j], s[b + j]);
				}
				ans += solve(s.substr(e)) * solve(cur);
			}
		}

		return memo[s] = ans;
	}
};


int main() {
	std::ios_base::sync_with_stdio(false);
	E solver;
	std::istream& in(std::cin);
	std::ostream& out(std::cout);
	in.tie(nullptr);
	out << std::fixed;
	out.precision(20);
	solver.solve(in, out);
	return 0;
}


Measured memory_bytes: 7308