#include<bits/stdc++.h>
using namespace std;
void f(int n,char a,char b,char c){
	if(n==1){
		cout<<a<<" To "<<c<<endl;
}else{
		f(n-1,a,c,b);
		cout<<a<<" To "<<c<<<endl;
		f(n-1,b,c,a);
}
int main(){
	int n;
	cin>>n;
	f(n,'a','b','c');
	return 0;
}
/**************************************************************
	Problem: 1222
	User: panyuchen
	Language: C++
	Result: Compile Error
****************************************************************/