#include <iostream>
#include <fstream>
#include <map>

using namespace std;

map<string , int> mapa;

int main()
{
    string s, a;
    int k = 0;
    cin>>s;
    for(int i = 2 ; i < s.size() ; ++i){
        a = s;
        a += a[a.size()-1];
        for(int j = a.size() - 1 ; j >= i ; --j)
            a[j] = a[j - 1];
        for(char j = '0' ; j <= '9' ; ++j){
            a[i] = j;
            ++mapa[a];
            if(mapa[a] == 1)
                    ++k;
        }
    }
    for(char j = '0' ; j <= '9' ; ++j){
            a = s;
            a +=j;
            ++mapa[a];
            if(mapa[a] == 1)
                    ++k;
    }
    cout<<k;
    return 0;
}