#include<iostream>
using namespace std;
int main(){
	int a,b;
	string n[10]={"","one","two","three","four","five","six","seven","eight","nine"};
	cin>>a>>b;
	if(0<a+b&&a+b<10)cout<<n[a+b];
	else cout<<"None";
	return 0;
}

#include<iostream> using namespace std; int main(){ int a,b; cin>>a>>b; if(a+b1){ cout<<"one"; } else if(a+b2){ cout<<"two"; } else if(a+b3){ cout<<"three"; } else if(a+b4){ cout<<"four"; } else if(a+b5){ cout<<"five"; } else if(a+b6){ cout<<"six"; } else if(a+b7){ cout<<"seven"; } else if(a+b8){ cout<<"eight"; } else if(a+b==9){ cout<<"nine"; } else{ cout<<"None"; } return 0;

}