BAI5

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef pair <ll, ll> ii;
typedef pair <ll, ii> iii;

const ll N = 1e6 + 5;
const ll INF = 1e9 + 7;

const char mau[10][7] = { "khong ", "mot ", "hai ", "ba ", "bon ", "nam ", "sau ", "bay ", "tam ", "chin " };

ll n, c[10];

void get(int vt) {
    if (vt == 7) return;
    switch (vt) {
    case 1: cout << "trieu ";
        break;
    case 4:
        if (!((c[vt] == 0) && (c[vt - 1] == 0) && (c[vt - 2] == 0)))
        cout << "nghin ";
        break;
    case 2:
        if (!(((c[vt + 2] == 0) && (c[vt + 1] == 0)) && (c[vt] == 0)))
            cout << "tram ";
        break;
    case 5:
        if (!(((c[vt + 2] == 0) && (c[vt + 1] == 0)) && (c[vt] == 0)))
            cout << "tram ";
        break;
    case 3: case 6:
        if (c[vt] != 0)
            cout << "muoi ";
        else {
            if (c[vt + 1] != 0)
                cout << "le ";
        }
        break;
    }
}

int main() {
    //freopen("CAU5.INP", "r", stdin);
    //freopen("CAU5.OUT", "w", stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin >> n;
    //********************
    for (ll i = 1; i <= 7; i++) c[i] = 0;
    ll i = 7;
    while (n != 0) {
        c[i] = n % 10;
        n = n / 10;
        i--;
    }
    ll vtd = 8;
    for (ll i = 1; i <= 7; i++)
        if (c[i] != 0) {
            vtd = i;
            break;
        }
    if (vtd == 8) {
        cout << "khong";
        exit(0);
    }
    for (ll i = vtd; i <= 7; i++) {
        switch (c[i]) {
        case 1: case 2: case 3: case  4: case  6: case 7: case 8: case 9:
            if (!((c[i] == 1) && ((i == 6) || (i == 3))))
                cout << mau[c[i]];
            get(i);
            break;
        case 5:
            if (i == 7) {
                if (c[i - 1] == 0)
                    cout << "nam ";
                else
                    cout << "lam ";
            }
            else {
                if (i == 4) {
                    if (c[i - 1] == 0)
                        cout << "nam ";
                    else
                        cout << "lam ";
                }
                else
                    cout << mau[c[i]];
                get(i);
            }
            break;
        case 0:
            if (((i == 5) || (i == 2)) && ((c[i + 2] != 0) || ((c[i + 1] != 0))))
                cout << mau[c[i]];
            get(i);
            break;
        }
    }
    return 0;
}