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#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <queue>
#include <stack>
#include <cstdio>
#include <set>
#include <map>
#include <string>
#include <queue>
#include <stack>
#include <unordered_map>
using namespace std;

typedef long long int LL;
typedef long double LD;
typedef vector<int> VI;
typedef vector<LL> VLL;
typedef vector<LD> VLD;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef vector<PII> VPII;

const int INF = 1000000001;
const LD EPS = 10e-9;

#define FOR(x, b, e) for(int x = b; x <= (e); ++x)
#define FORD(x, b, e) for(int x = b; x >= (e); --x)
#define REP(x, n) for(int x = 0; x < (n); ++x)
#define VAR(v, n) __typeof(n) v = (n)
#define ALL(c) (c).begin(), (c).end()
#define SIZE(x) ((int)(x).size())
#define FORE(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i)
#define MP make_pair
#define PB push_back
#define ST first
#define ND second
#define abs(a) ((a)<0 ? -(a) : (a))
#define max(a, b) ((a) > (b) ? (a) : (b))
#define min(a, b) ((a) < (b) ? (a) : (b))

string n;
unordered_map<int, int> pairsCount;

bool canPartition(const string& s, const int startPos, const int digits)
{
    if(startPos+digits > s.size())
        return false;

    if(digits == 1)
        return true;

    return s[startPos] != '0';
}

void makePartitions(const string& s, int startPos, int digits, vector<int>& current, vector<vector<int>>& all)
{
    current.push_back(atoi(s.substr(startPos, digits).c_str()));

    if(startPos+digits == s.size())
        all.push_back(current);

    for(int i = 1; i <= 2; ++i)
    {
        const int newStartPos = startPos+digits;

        if(canPartition(s, newStartPos, i))
            makePartitions(s, startPos+digits, i, current, all);
    }

    current.pop_back();
}

vector<vector<int>> makePartitions(const string& s)
{
    vector<vector<int>> res;
    vector<int> curr;

    for(int i = 1; i <= min(2, s.size()); ++i)
    {
        makePartitions(s, 0, i, curr, res);
    }

    return res;
}

void print(const vector<vector<int>>& vss)
{
    for(const auto& vs : vss)
    {
        for(const auto& s : vs)
        {
            cout << s << ' ';
        }
        cout << endl;
    }
    cout << "size: " << vss.size() << endl;
    cout << "-----------" << endl << endl;
}

void prepareCounts()
{
    for(int i = 0; i <= 9; ++i)
    {
        for(int j = 0; j <= 9; ++j)
        {
            ++pairsCount[i+j];
        }
    }
}

LL calculateResult(const vector<vector<int>>& partitions)
{
    LL res = 0;

    for(const auto& vi : partitions)
    {
        LL partRes = 1;

        for(const auto& x : vi)
        {
            //cout << x << " -> " << pairsCount[x] << endl;

            partRes = partRes * pairsCount[x];
        }

        res += partRes;
    }

    return res;
}

int main()
{
    ios_base::sync_with_stdio(0);
    int t = 1;

    prepareCounts();
    while(t--)
    {
        cin >> n;
        const auto partitions = makePartitions(n);
        LL res = calculateResult(partitions);

        //print(partitions);
        cout << res << endl;
    }

    return 0;
}