#include<iostream>
using namespace std;
long nr,i,j,k,v[40],p,s;
long long n;
int main()
{
cin>>n;
n=n%10000000;
while(n!=0)
    {
        v[++nr]=n%10;
        n=n/10;
    }
for(i=1;i<=nr;i++)
    {
        k=1;j=i;
        while(v[j]==v[j+1])
            {k++;
            j++;}
        i=j;
        s=s+8-k;
        p=p+k-1;
    }
s=s+(3-p)*8;
cout<<s;
return 0;
}