#include "workshop.h"
#include <bits/stdc++.h>

using namespace std;

#ifdef DEBUG
auto&operator<<(auto&o,pair<auto,auto>p){return o<<"("<<p.first<<", "<<p.second<<")";}
auto operator<<(auto&o,auto x)->decltype(x.end(),o){o<<"{";int i=0;for(auto e:x)o<<","+!i++<<e;return o<<"}";}
#define debug(X...)cerr<<"["#X"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(X)
#else
#define debug(...){}
#endif

#define ll long long
#define ld long double
#define endl '\n'
#define st first
#define nd second
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define FOR(i,l,r) for(int i=(l);i<=(r);i++)
#define ROF(i,r,l) for(int i=(r);i>=(l);i--)
int inf=1000000007;
ll infl=1000000000000000007;
ll mod=1000000007;
ll mod1=998244353;

const int K=18;

void init()
{
	
}

ll los(ll x)
{
	return (((((x*123)^12345678)/4+61741729194)*7+618381)^5151811331)%1000000000;
}

int morning(int x,int r)
{
	//debug(los(x)%100);
	if(los(x)%100>=50) return los(x)%K;
	else 
	{
		vector<int>vals;
		FOR(j,0,K-1) if(j!=los(r)%K) vals.pb(j);
		return vals[los(x)%sz(vals)];
	}
}

int afternoon(int l,int x,int r) 
{
	if(l==x&&r==x) 
	{
		vector<int>vals;
		FOR(j,0,K-1) if(j!=x) vals.pb(j);
		return vals[los(x)%sz(vals)];
	}
	else return x;
}

int evening(int l,int x,int r)
{
	if(l==x&&r==x) return (x+1)%K;
	else if(r==x) 
	{
		if(l==(x-1+K)%K) return (x-2+K)%K;
		else return (x-1+K)%K;
	}
	else return x;
}