/**
*    author:  RUBY
*   LIVE LOVE LAUGH <3
**/
#include <bits/stdc++.h>

#define el '\n'
typedef long long ll;
#define crispy ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);


using namespace std;
bool vis[10];
int main() {
    crispy
    int t = 1;
    //cin >> t;
    while (t--) {
        string s;
        cin>>s;
        string st = "";
        for (int i = 0; i < s.size(); ++i) {
            if(!vis[s[i]-'0']){
                vis[s[i]-'0'] = 1;
                st+=s[i];
            }
        }map<char,int>mp;
        for (int i = 0; i < st.size(); ++i) {
            mp[st[i]] = i;
        }
        char cur = st[0];
        ll ans =0;
        for (int i = 0; i < s.size(); ++i) {
            ans += (abs(mp[s[i]]-mp[cur]) +1);
            cur = s[i];
        }
        reverse(s.begin(),s.end());
        memset(vis,0,sizeof vis);
        for (int i = 0; i < s.size(); ++i) {
            if(!vis[s[i]-'0']){
                vis[s[i]-'0'] = 1;
                st+=s[i];
            }
        }
        for (int i = 0; i < st.size(); ++i) {
            mp[st[i]] = i;
        }
        cur = st[0];
        ll ac =0;
        for (int i = 0; i < s.size(); ++i) {
            ac += (abs(mp[s[i]]-mp[cur]) +1);
            cur = s[i];
        }
        cout<<min(ac,ans)<<el;
    }


    return 0;
}