文件目录

#include <bits/stdc++.h>
using namespace std;
string s[300005];
int main()
{
    int n = 1;
    while (cin >> s[n++])
        ;
    sort(s + 1, s + n + 1);
    int ans = 1;
    for (int i = 1; i <= n; i++)
    {
        int j = 0;
        for (; j < s[i].size() && j < s[i - 1].size(); j++)
            if (s[i][j] != s[i - 1][j])
                break;
        // cout<<s[i].size()-j<<" ";
        ans += s[i].size() - j;
    }
    cout << ans;
    return 0;
}