#include <iostream>
#include <iomanip>
#include <string>
#include <cmath>
#include <algorithm>
#include <vector>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <stack>
#include <queue>
#include <bitset>
#include <numeric>
#include <cassert>
#include <array>
#include <memory>
#include <random>
#include <complex>
#ifdef DEBUG
#include "./Lib/debug.hpp"
#include "./Lib/Timer.hpp"
#include "./Lib/sample.hpp"
#else
#define dump(...)
#endif

/* (=＾o＾=) */
//#define int ll

/* macro */
#define FOR(i, b, e) for(ll i = (ll)(b); i < (ll)(e); ++i)
#define RFOR(i, b, e) for(ll i = (ll)(e-1); i >= (ll)(b); --i)
#define REP(i, n) FOR(i, 0, n)
#define RREP(i, n) RFOR(i, 0, n)
#define REPC(x,c) for(const auto& x:(c))
#define REPI2(it,b,e) for(auto it = (b); it != (e); ++it)
#define REPI(it,c) REPI2(it, (c).begin(), (c).end())
#define RREPI(it,c) REPI2(it, (c).rbegin(), (c).rend())
#define REPI_ERACE2(it, b, e) for(auto it = (b); it != (e);)
#define REPI_ERACE(it, c) REPI_ERACE2(it, (c).begin(), (c).end())
#define ALL(x) (x).begin(),(x).end()
#define cauto const auto&
/* macro func */
template<class T>
inline void sort(T& t) { std::sort(ALL(t)); }
template<class T>
inline void rsort(T& t) { std::sort((t).rbegin(), (t).rend()); }
template<class T>
inline void unique(T& t) { (t).erase(unique((t).begin(), (t).end()), (t).end()); }
template<class T, class S>
inline bool chmax(T& t, const S& s) { if (s > t) { t = s; return true; } return false; }
template<class T, class S>
inline bool chmaxE(T& t, const S& s) { if (s >= t) { t = s; return true; } return false; }
template<class T, class S>
inline bool chmin(T& t, const S& s) { if (s < t) { t = s; return true; } return false; }
inline void BR() { std::cout << "\n"; }

/* type define */
using ll = long long;
using PAIR = std::pair<ll, ll>;
using VS = std::vector<std::string>;
using VL = std::vector<long long>;
using VVL = std::vector<VL>;
using VVVL = std::vector<VVL>;
using VD = std::vector<double>;
template<class T>
using V = std::vector<T>;

/* using std */
using std::cout;
constexpr char endl = '\n';
using std::cin;
using std::pair;
using std::string;
using std::stack;
using std::queue;
using std::vector;
using std::list;
using std::map;
using std::unordered_map;
using std::multimap;
using std::unordered_multimap;
using std::set;
using std::unordered_set;
using std::unordered_multiset;
using std::multiset;
using std::bitset;
using std::priority_queue;
using std::tuple;

/* constant value */
//constexpr ll MOD = 1000000007;
constexpr ll MOD = 998244353;

/* Initial processing  */
struct Preprocessing { Preprocessing() { std::cin.tie(0); std::ios::sync_with_stdio(0); }; }_Preprocessing;

/* Remove the source of the bug */
inline signed pow(signed, signed) { assert(false); return -1; }

/* define hash */
namespace std {
template <>	class hash<std::pair<ll, ll>> { public:	size_t operator()(const std::pair<ll, ll>& x) const { return hash<ll>()(1000000000 * x.first + x.second); } };
}

/* input */
template<class T> std::istream& operator >> (std::istream& is, vector<T>& vec) { for (T& x : vec) is >> x; return is; }

//=============================================================================================

auto solve(ll d) {
	if (d % 9 > 0) { return 0LL; }

	d /= 9;
	ll ans = 0;
	ll p = 1;
	FOR(i, 1, 18) {
		ll tmp = 1;
		ll val = d;
		ll k = p;
		while (k > 0) {
			ll t = val % 10;
			tmp *= ((9 - t) + (k < p));
			val -= k * t;
			val = std::abs(val);
			k /= 100;
			val /= 10;
		}
		if (val == 0) {
			ans += tmp * ((i & 1) ? 1 : 10);
		}
		p *= 10; ++p;
	}
	return ans;
}

auto solve_c(ll d) {
	if (d > 1e3) { return -1LL; }
	auto rev = [](ll n) {
		stack<ll> p;
		while (n > 0) { p.emplace(n % 10); n /= 10; }
		ll r = 0, t = 1;
		while (!p.empty()) { r += t * p.top(); p.pop(); t *= 10; }
		return r;
	};
	ll ans = 0;
	FOR(i, 1, 2 * 1e4) {
		if (rev(i) == i + d) { ++ans; dump(i); }
	}
	return ans;
}

signed main() {
	/**/
	ll d;
	cin >> d;

	auto ans = solve(d);
	cout << ans << endl;

	//auto ans_c = solve_c(d);
	//dump(ans_c);
	/*/
	auto gen = Sample::SampleGenerator(0);
	REP(_, 100) {
		auto [d] = gen.generate(PAIR{1,100});
		auto ans = solve(d);
		auto ans_c = solve_c(d);
		if (ans != ans_c) {
			cout << d << endl;
			dump(ans, ans_c);
			return 0;
		}
	}
	/**/
}


Measured memory_bytes: 256