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#include <bits/stdc++.h>
#define lld long long int

using namespace std;
lld N;
lld DP[30];
lld pop=-1;
lld ind=1;
lld akt;
int main()
{
	scanf("%lld",&N);
	DP[0]=1;
	while(N>0)
	{
		akt=N%10;
		N/=10;
		if(pop==-1) DP[ind]=akt+1;
		else
		{
			DP[ind]=DP[ind-1]*(akt+1);
			if(akt==1 and pop<9)
			{
				DP[ind]+=DP[ind-2]*(18-(akt*10+pop)+1);
			}
		}
		pop=akt;
		++ind;
	}
	printf("%lld\n",DP[ind-1]);
}