// https://www.luogu.com.cn/record/20137358

#include<bits/stdc++.h>

using namespace std;

long long c = 0, word[6] = {0,0,0,0,0,0}, out = 0;

int getst(string s, long long &c) {
    if(s=="one" || s=="a" || s=="first" || s=="another") {
        word[c] = 1 ;
        c++;
        return 0;
    }
    if(s == "two" || s == "both" || s == "second") {
        word[c] = 4;
        c++;
        return 0;
    }
    if(s == "three" || s == "third") {
        word[c]=9;
        c++;
        return 0;
    }
    if(s == "four") {
        word[c] = 16;
        c++;
        return 0;
    }
    if(s == "five") {
        word[c] = 25;
        c++;
        return 0;
    }
    if(s == "six") {
        word[c] = 36;
        c++;
        return 0;
    }
    if(s == "seven") {
        word[c] = 49;
        c++;
        return 0;
    }
    if(s == "eight") {
        word[c] = 64;
        c++;
        return 0;
    }
    if(s == "nine") {
        word[c] = 81;
        c++;
        return 0;
        }
    if(s == "eleven") {
        word[c] = 21;
        c++;
        return 0;
    }
    if(s == "twelve") {
        word[c] = 44;
        c++;
        return 0;
    }
    if(s == "thirteen") {
        word[c] = 69;
        c++;
        return 0;
    }
    if(s == "fourteen") {
        word[c] = 96;
        c++;
        return 0;
    }
    if(s == "fifteen") {
        word[c] = 25;
        c++;
        return 0;
    }
    if(s == "sixteen") {
        word[c] = 56;
        c++;
        return 0;
    }
    if(s == "seventeen") {
        word[c] = 89;
        c++;
        return 0;
    }
    if(s == "eightteen") {
        word[c] = 24;
        c++;
        return 0;
    }
    if(s == "nineteen") {
        word[c] = 61;
        c++;
        return 0;
    }
}

int main(void) {
    string getit[6];
    for (int i = 0 ; i < 6 ; i++) {
        cin >> getit[i];
        if (getit[i][getit[i].size()-1] == '.') {
            getit[i].erase(getit[i].size()-1,1);
        }
        getst(getit[i] , c);
    }
    sort(word , word + c);
    for(int i = 0 ; i < c ; i++) {
        out += word[i];
        out *= 100;
    }
    cout << (out / 100);
    return 0;
}