#include<bits/stdc++.h>
using namespace std;
void hanoi(int h,char start,char temp,char end){
if(h==1){
cout<<start<<" To "<<end<<endl;
}else{
hanoi(h-1,start,end,temp);
cout<<start<<" To "<<end<<endl;
hanoi(h-1,temp,start,end);
}
}
int main(){
int n;
cin>>n;
hanoi(n,'A','B','C');
return 0;
}