#include <iostream>
using namespace std;
int t[20], ab[20], dl;
string liczba;
long long go(int i, int f)
{
if (i >= dl || i + f > dl)
return 1;
//cout << "go(" << i << "," << f << ") ";
int p;
if (f == 2 && i + 1 < dl)
p = ab[i] * 10 + ab[i + 1];
else
p = ab[i];
//cout << "p=" << p << endl;
long long lewo = 0, prawo = 0, kolejny = i + f;
//cout << "w lewo: ";
lewo = go(kolejny, 1) * t[p];
if (f == 1 && kolejny < dl - 1 && ab[i] == 1)
{
//cout << "w prawo " << kolejny << ".";
bool samezera = true;
for (int j = kolejny; j < kolejny + 2; j++)
if (ab[j] != 0)
samezera = false;
if (!samezera)
prawo = go(kolejny, 2) * t[p];
}
return (lewo + prawo);
}
int main()
{
long long res = 0;
for (int k = 0; k <= 18; k++)
{
for (int a = 0; a < 10; a++)
for (int b = a; b < 10; b++)
if (a + b == k)
t[k]++;
if (k % 2 == 1)
t[k] = t[k] * 2;
else
t[k] = t[k] * 2 - 1;
//cout << k << ":" << t[k] << " ";
}
//cout << endl;
cin >> liczba;
dl = liczba.size();
for (int i = 0; i < dl; i++)
ab[i] = liczba[i] - 48;
res = go(0, 1);
//cout << res << endl;
if (liczba[0] == '1')
res += go(0, 2);
cout << res;
}