#include<iostream>
#include<cstdio>
#include<string>
#include<map>
using namespace std;
int n,q;
string s1[200007],s2[200007];
int l[200007];
string t1,t2;
int flg1=0;
int cnt[200007],ch1[200007],ch2[200007];
int main(){
	freopen("employ.in","r",stdin);
	freopen("employ.out","w",stdout);
	cout<<0;
	return 0;
}
