#include<iostream>
using namespace std; 
int main(){
	int n;
	cin>>n;
	if(n==1)
		cout<<"one";
	else if(n==2)
		cout<<"two";
	else if(n==3)
		cout<<"three";
	else if(n==4)
		cout<<"four";
	else if(n==5)
		cout<<"five";
	else if(n==6)
		cout<<"six";
	else
		cout<<"error";
	return 0;
}