#include <bits/stdc++.h>   using namespace std;   struct compare {     bool operator()(const std::string& first, const std::string& second) {       return first.size() > second.size();     }   };   int main() {     ios_base::sync_with_stdio(false);     int n, k, i;     cin >> n >> k;     string arr[110];     for (i = 0; i < n; i++) {       cin >> arr[i];     }     string password;     cin >> password;     long long int tries = 0, equallen = 0;     int plen = password.length();     for (i = 0; i < n; i++) {       if (arr[i].length() < plen) {         tries++;       } else if (arr[i].length() == plen) {         equallen++;       }     }     long long int ans = 0;     ans = ((tries) / k) * 5 + tries + 1;     cout << ans <<    ;     ans = ((tries + equallen - 1) / k) * 5 + (tries + equallen);     cout << ans << endl;     return 0;   }   