#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
string guess_sequence(int n) {
//press();
string curr = "AB";
int c = press(curr);
if(c==0){
curr="X";
if(press(curr)==0)
curr="Y";
}
else if(c == 1){
if(press("A")){
curr="A";
}
else{
curr="B";
}
}
else{
curr="A";
}
//curr has first character now;
string chars = "";
if(curr=="A"){
chars="BXY";
}
else if(curr=="B"){
chars="AXY";
}
else if(curr=="X"){
chars="ABY";
}
else{
chars="ABX";
}
//chars has the thingies now;
for(int i = 1;i<n;i++){
curr+=chars[0];
if(press(curr)==curr.size()){
continue;
}
curr[curr.size()-1]=chars[1];
if(press(curr)==curr.size()){
continue;
}
curr[curr.size()-1]=chars[2];
}
return curr;
}
