#include<bits/stdc++.h>
#define int long long
#define LeftUp    work(a+n-1,b+n-1,a,b,n)
#define RightUp   work(a+n-1,b+n,a,b+n,n)
#define LeftDown  work(a+n,b+n-1,a+n,b,n)
#define RightDown work(a+n,b+n,a+n,b+n,n)
using namespace std;
int k,x,y,n;
void work(int a,int b,int x,int y,int n){
	if(n==1) return;
	n>>=1;
	if(x<=a+n-1&&y<=b+n-1){
		printf("%lld %lld 1\n",x+n,y+n);
		work(x,y,a,b,n);
		LeftDown;
		RightUp;
		RightDown;
	}
	else if(x<=a+n-1&&y>b+n-1){
		printf("%lld %lld 2\n",x+n,y+n-1);
		work(x,y,a,b+n,n);
		LeftUp;
		RightUp;
		RightDown;
	}
	else if(x>a+n-1&&y<=b+n-1){
		printf("%lld %lld 3\n",x+n+1,y+n);
		work(x,y,a+n,b,n);
		LeftUp;
		LeftDown;
		RightDown;
	}
	else if(x>a+n-1&&y>b+n-1){
		printf("%lld %lld 4\n",x+n+1,y+n+1);
		work(x,y,a+n,b+n,n);
		LeftUp;
		LeftDown;
		RightUp;
	}
}
signed main(){
	scanf("%lld%lld%lld",&k,&x,&y);
	n=pow(2,k);
	work(1,1,x,y,n);
	return 0;
}