#include<bits/stdc++.h>
using namespace std;
int k, x_p, y_p;
int prin(int a, int b, int a3, int b3){
	int ans = 0;
	if(a > a3) ans += 2;
	if(b > b3) ans += 1;
	return ans;
}
void make_s(int a1, int b1, int a2, int b2, int x, int y){
	if(a1 + 1 == a2 && b1 + 1 == b2){
		switch(x - a1 + y - b1){
			case 0: printf("%d %d %d\n",a2,b2,3);return;
			case 2: printf("%d %d %d\n",a1,b1,4);return;
		}
		if(x == a1) printf("%d %d %d\n",a2,b1,1);
		else printf("%d %d %d\n",a1,b2,2);
		return;
	}
	int a3 = (a1 + a2) / 2, b3 = (b1 + b2) / 2;
	switch(prin(x,y,a3,b3)){
		case 0: printf("%d %d %d\n",a3+1,b3+1,3);
		        make_s(a1,b1,a3,b3,x,y);
		        make_s(a1,b3+1,a3,b2,a3,b3+1);
		        make_s(a3+1,b1,a2,b3,a3+1,b3);
		        make_s(a3+1,b3+1,a2,b2,a3+1,b3+1);
		        return;
		case 1: printf("%d %d %d\n",a3+1,b3,1);
		        make_s(a1,b1,a3,b3,a3,b3);
		        make_s(a1,b3+1,a3,b2,x,y);
		        make_s(a3+1,b1,a2,b3,a3+1,b3);
		        make_s(a3+1,b3+1,a2,b2,a3+1,b3+1);
		        return;
		case 2: printf("%d %d %d\n",a3,b3+1,2);
		        make_s(a1,b1,a3,b3,a3,b3);
		        make_s(a1,b3+1,a3,b2,a3,b3+1);
		        make_s(a3+1,b1,a2,b3,x,y);
		        make_s(a3+1,b3+1,a2,b2,a3+1,b3+1);
		        return;
		case 3: printf("%d %d %d\n",a3,b3,4);
		        make_s(a1,b1,a3,b3,a3,b3);
		        make_s(a1,b3+1,a3,b2,a3,b3+1);
		        make_s(a3+1,b1,a2,b3,a3+1,b3);
		        make_s(a3+1,b3+1,a2,b2,x,y);
		        return;
	}
}

int main(){
	//freopen("blank.in","r",stdin);
	//freopen("blank.out","w",stdout);
	scanf("%d %d %d",&k,&x_p,&y_p);
	k = (1 << k);
	make_s(1,1,k,k,x_p,y_p);
	return 0;
}