#include <iostream>
#include <string>

using namespace std;

int main() {
    string word, good_word, word_2;
    cin >> word;
    good_word = word[0];
    for (char s : word) {
        if (s == 'a' || s == 'e' || s == 'h' || s == 'i' || s == 'o' || s == 'u') {
            continue;
        } else if (s == 'w' || s == 'y') {
            continue;
        } else if (s == 'b' || s == 'f' || s == 'p' || s == 'v') {
            good_word += '1';
        } else if (s == 'c' || s == 'g' || s == 'j' || s == 'k') {
            good_word += '2';
        } else if (s == 'q' || s == 's' || s == 'x' || s == 'z') {
            good_word += '2';
        } else if (s == 'd' || s == 't') {
            good_word += '3';
        } else if (s == 'l') {
            good_word += '4';
        } else if (s == 'm' || s == 'n') {
            good_word += '5';
        } else if (s == 'r') {
            good_word += '6';
        }
        if (good_word[good_word.size() - 1] == good_word[good_word.size() - 2]) {
            good_word.erase(good_word.size() - 1, good_word.size());
        }
    }
    if (good_word.size() < 4) {
        while (good_word.size() < 4) {
            good_word += '0';
        }
        cout << good_word;
    } else {
        good_word.erase(4, good_word.size());
        cout << good_word;
    }
    return 0;
}