#include<bits/stdc++.h>
using namespace std;
const int N=1e5+10;
inline int read(){
	int f=1,x=0;char c=getchar();
	while(c<'0'||c>'9'){
		if(c=='-') f=-1;
		c=getchar();
	}
	while(c>='0'&&c<='9'){
		x=(x<<1)+(x<<3)+c-'0';
		c=getchar();
	}
	return f*x;
}
int main(){
	freopen("employ.in","r",stdin);
	freopen("employ.out","w",stdout);
	return 0;
}
