#include<bits/stdc++.h>
using namespace std;
int main(){
	/*
	ύˡ  
	ĺóһ㶼дƪμǰɣluogu˺ţ__Rickysun__
	μ [͵ͷ]
	$LaTeX$ Ӧ$ɣܼǴ˺þûϹˣǿ֢ÿһĸֶҪӰ 
	
	
	ȿȣû¸ɣΪѵĿһδʡǵȥԭҼ
	
	ȥùһһȽ˽ûΪѧУһ£̫ΰˣ 

	$okok$ǻعһ±˵~~ط~~Ծ 

	ʼǰ1hȣ·ȥǺԣڵװ䣨Ȼ˵·ϳ˸

	ʼǰ20minԼ̫ˡȻdzһʶ˶ûУѧУĶ磬ҿ~~~~ͯЬͶҵˣҲһˣ

	ʼǰ10minstyԼһ $cola$ ֹ˯ţ $5:30$ ˣ $jjdd$ȴ

	ʼʦ˽ݽң˻죬ҿ $301-03$styһʦȥ˸ԵĽ

	ǰ10minԱߵҫҵıʺСаȻȥ֮ҵĿոҸ˵Ǻɣ뻻ʦͬأȻ֧Ҳֻһ[Ц͵ͷ] $4$ űȽʴȣʣһ֧ܲˣøжأ 
	13:10ʼ[~~װƸ~~] 
	
	### 
	
	$T1:$򵥺⣬$5min$ д
	
	$T2:$ϸ⣬˼һ $10min$ д꣬ʵеˣҪǰû $C++$  
	
	$T3:$һ˼Ѷȵѧ⣬$10min$ 
	
	$T4:$ᡣ
	
	$T5:$ʸǽ⣿ʲôa
	
	$T6:$
	
	дЩ˯һᱻ $2$ žһַָң@#@%@@Ȼд
	
	$T6:$˸˰ $4kb$ǰִģDz֪Բ
	
	$T4:$һСʱһ£
	'''c++
	/Ǻ 
	#include<bits/stdc++.h>
	using namespace std;
	int n;
	string s1,s2,s3,s4;
	map<string,int>mp1,mp2;
	int main(){
		cin>>n;
		for(int i=1;i<=n;++i){
			
		}
		return 0;
	}
	[΢Ц]
	
		  /`````\ 	      /`````\
		 /       \ 	     /       \
		/         \	    /         \
		
		
		
		
		\						  /
		  \						/
		    \				  /
		      \_____________/
	Ǻ/ 
	#include<bits/stdc++.h>
	using namespace std;
	int n;
	string s1,s2,s3,s4;
	int main(){
		cin>>n;
		for(int i=1;i<=n;++i) cin>>s1>>s2>>s3>>s4;
		cout<<1;//УԴһȼˣ(bushi 
		return 0;
	}
	''' 
	ûд $T4$ Ĵ롣
	
	ȻаСʱ $T5$ һ㲻ᰡȻдμ˰ 
	*/
	/*
	¼
	T1
	һ $n$ λǡ $0~n-1$ ɣôΪ֣ $a$  $b$ ֵ 1<=a<=b<=1e6
	
	T2:
	һ $n$  $m$ еȽĸӰմϵ¡ҵ˳ $1$ ʼţٰ˳ʱ () ת $45$ ȣ͵õϷĵͼʱкз˱仯תĸλڵһУĸλڵһУͼͼˣ
	 $n$  $m$ УΪ $k$ ĸӣת $45$ ȺекС 
	
	T3:
	$n$ ˮе $i$ ˮĺóԳ̶Ϊ $x_i$ʵˮʱòó
	ÿ죬ѡԵһˮ¼¸ԵˮĺóԳ̶ȡ
	ûбԵÿˮóԳ̶ȽڵڶΪ $y=x$ ȡ$y$  $y*y<=x$ 
	
	T4д̫
	
	T5Ҳ
	
	T6һ
	
	ˣ˯һ 
	*/ 
	return 0;
}