#include<bits/stdc++.h>

using namespace std;
inline int read()
{
	int x=0,f=1;char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-') f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9') {x=x*10+ch-48;ch=getchar();}
	return x*f;
}
int n,m,k,x;
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	cin>>n>>m>>k;
	for(int i=1;i<=m*3+k*(n+1);i++) x=read();
	cout<<0<<endl;
	return 0;
}
