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#include <iostream>
using namespace std;

long long solve(long long a){
	if(a == 0)return 1;
	long long x = a % 10;
	long long ret = 0;
	ret = solve(a/10)*(x+1);
	x = a % 100;
	if(x!=(a%10) && x<19){
		ret += solve(a/100)*(19-x);
	}
	return ret;
}

int main() {
	long long a;
	cin>>a;
	cout<<solve(a);
}