#include<iostream>
using namespace std;
int main()
{
	int a,chuc,donvi;
	cout<<"nhap vao mot so nguyen tu 1 den 100: ";
	cin>>a;
	chuc=a/10;
	donvi=a%10;
	if(a<1||a>100)
	{cout<<"khong hop le";}
	else
	{
		switch(chuc)
			{

				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;}
			}
		switch(donvi)
			{
				case 1:{cout<<"mot";break;}
				case 2:{cout<<"hai";break;}
				case 3:{cout<<"ba";break;}
				case 4:{cout<<"bon";break;}
				case 5:{
						if(chuc==0)
						{
							cout<<"nam";
						}
						else
						{
							cout<<"lam";
						}
						break;}
				case 6:{cout<<"sau";break;}
				case 7:{cout<<"bay";break;}
				case 8:{cout<<"tam";break;}
				case 9:{cout<<"chin";break;}
			}
	}
	return 0;

}