#include <bits/stdc++.h>

using u32 = uint32_t;
using u64 = uint64_t;
using i32 = int32_t;
using i64 = int64_t;

u64 sum = 0;
std::unordered_map<u32, u32> lut;
std::vector<u32> v;

void f(u64 psum = 1, u32 start = 0)
{
	for(u32 i=start; i<v.size(); ++i)
	{
		if(v[i] == 1 && i+1 < v.size() && v[i+1] < 9)
		{
			f(psum*lut[10+v[i+1]], i+2);
		}
		psum*=lut[v[i]];
	}
	sum += psum;
}

int main()
{
	std::ios_base::sync_with_stdio(0);

	for(u32 i=0;i<10;++i)
	{
		lut[i]=i+1;
	}
	u32 t=9;
	for(u32 i=10;i<19;++i)
	{
		lut[i]=t;
		--t;
	}

	std::string s;
	std::cin >> s;

	v.resize(s.size());

	std::transform(s.begin(), s.end(), v.begin(), [](auto c){ return c - '0'; });

	f();

	std::cout << sum << '\n';

	return 0;
}