#include <iostream>
using namespace std;
int main(){
    int n = n/10 ,m = m/10 ;
    cout<<"nhap so hang chuc = ";cin>>n;
    cout<<" nhap so hang don vi = ";cin>>m;
    switch (n){
        case 1: {cout<< "muoi" ;
            break;}
                case 2 : {cout<< "hai muoi" ;
            break;}
                case 3 : {cout<< "ba muoi" ;
            break;}
                case 4 : {cout<< "bon muoi" ;
            break;}
                case 5 : {cout<< "nam muoi" ;
            break;}
                case 6 : {cout<< "sau muoi" ;
            break;}
                case 7 : {cout<< "bay muoi" ;
            break;}
                case 8 : {cout<< "tam muoi" ;
            break;}
                case 9 : {cout<< "chin muoi" ;
            break;}
            default : { cout<< "khong hop le";
                break;
            }

    }
    switch (m){
            case 1: {cout<< "mot" ;
            break;}
                case 2 : {cout<< "hai" ;
            break;}
                case 3 : {cout<< "ba" ;
            break;}
                case 4 : {cout<< "bon" ;
            break;}
                case 5 : {cout<< "nam" ;
            break;}
                case 6 : {cout<< "sau" ;
            break;}
                case 7 : {cout<< "bay" ;
            break;}
                case 8 : {cout<< "tam" ;
            break;}
                case 9 : {cout<< "chin" ;
            break;}
            default : {
                break;
            }

    }
    cout <<char(n)<<char(m);
    return (0);


}