#include<bits/stdc++.h>
//#include "prison.h"
#pragma GCC optimize ("O3")
using namespace std;
#define el "\n"
#define se " "
#define ll long long
#define ld long double
#define ff first
#define ss second
#define pb push_back
const ll INF=1e18,ch=1e18;
ll a,b,c,d,n,COST,t,last,ab,ba,n1,n2,fl1,fl2,o1,o2,flag,flag1,flag2,g,m,m1,m2,i,j,lr,f,k,l,r,y,o,p,mx=-ch,mx1=-ch,mx2=-ch,q,q1,q2,q3,q4,mn=ch,mn1=ch,mn2=ch,f1,f2,f3,pos,ans,sum,sz=1,MOD=1e9+7,zero=0,a1,b1,c1,val,sum1,cur,res,ans1,res1,kk,kkk,cnt,cnt1,fl;
vector < vector < int > > devise_strategy(int N)
{
n=N;
vector < vector < int > > v;
ll x=24;
ll Q=1;
for(i=1;i<x/3;i++)
{
Q*=3;
}
v.resize(x+1,vector<int>(n+1));
v[0][0]=0;
for(j=1;j<=n;j++)
{
v[0][j]=1;
}
t=1;
for(i=1;i<=x;i+=3)
{
q=0;
v[i+q][0]=t;
for(j=1;j<=n;j++)
{
sum=j%(Q*3);sum/=Q;
if(sum<q)
{
if (t==0) v[i+q][j]=-1;
else v[i+q][j]=-2;
}
else if (sum>q)
{
if (t==0) v[i+q][j]=-2;
else v[i+q][j]=-1;
}
else
{
if (i==x-2) continue;
q2=i+3+((j%Q)/(Q/3));
v[i+q][j]=q2;
}
}
q=1;
v[i+q][0]=t;
for(j=1;j<=n;j++)
{
sum=j%(Q*3);sum/=Q;
if(sum<q)
{
if (t==0) v[i+q][j]=-1;
else v[i+q][j]=-2;
}
else if (sum>q)
{
if (t==0) v[i+q][j]=-2;
else v[i+q][j]=-1;
}
else
{
if (i==x-2) continue;
q2=i+3+((j%Q)/(Q/3));
v[i+q][j]=q2;
}
}
q=2;
v[i+q][0]=t;
for(j=1;j<=n;j++)
{
sum=j%(Q*3);sum/=Q;
if(sum<q)
{
if (t==0) v[i+q][j]=-1;
else v[i+q][j]=-2;
}
else if (sum>q)
{
if (t==0) v[i+q][j]=-2;
else v[i+q][j]=-1;
}
else
{
if (i==x-2) continue;
q2=i+3+((j%Q)/(Q/3));
v[i+q][j]=q2;
}
}
if (t==0) t=1;
else t=0;
Q/=3;
}
return v;
}
//
//int main()
//{
// ios_base::sync_with_stdio(0);
// cin.tie(0);
// cout.tie(0);
// cin>>n>>a>>b;
// vector < vector < int > > v=devise_strategy(a,b);
//}
