#include<bits/stdc++.h>
using namespace std;
//Types
using ll = long long;
using db = double;
//Vectors
#define pb push_back
#define sz(vec) ((ll)vec.size())
#define all(vec) vec.begin(), vec.end()
//things
#define f first
#define s second
const int SMALLINF = 1e9 + 7;
const ll BIGINF = ((ll)1e18) + 7;
#define Speeed ios::sync_with_stdio(0);cin.tie(NULL); cout.tie(NULL);
int encode(int n, int x, int y){
int num = -1, num2 = -1;
for(ll i = 0; i < 10; i++){
if (x&(1<<i) and !(y&(1<<i)))num = i;
else if(!(x&(1<<i)) and (y&(1<<i)))num2 = i;
}
if(num!=-1)return num;
else return 10+num2;
}
#include<bits/stdc++.h>
using namespace std;
//Types
using ll = long long;
using db = double;
//Vectors
#define pb push_back
#define sz(vec) ((ll)vec.size())
#define all(vec) vec.begin(), vec.end()
//things
#define f first
#define s second
const int SMALLINF = 1e9 + 7;
const ll BIGINF = ((ll)1e18) + 7;
#define Speeed ios::sync_with_stdio(0);cin.tie(NULL); cout.tie(NULL);
int decode(int n, int q, int h){
if(h<10)return (q&(1<<h));
else return !(q&(1<<h));
}
