#include<bits/stdc++.h>
using namespace std;
long long a[105][105],n,m,k,i,j;
int main()
{
	cin>>n>>m/*行*/>>k/*列*/;
	for(i=1;i<=n;i++)
		cout<<"("<<m<<","<<i<<") ";
	cout<<endl;
	for(i=1;i<=n;i++)
		cout<<"("<<i<<","<<k<<") "; 
	cout<<endl;
	for(i=1;i<=n;i++)//行 
	  for(j=1;j<=n;j++)//列 
	  	if(i-j==m-k) cout<<"("<<i<<","<<j<<") ";
	cout<<endl;
	for(i=1;i<=n;i++)//行 
	  for(j=1;j<=n;j++)//列 
	  	if(i+j==m+k) cout<<"("<<i<<","<<j<<") ";
	return 0;	
 } 

全WA求调