917813dxmdfuc_ing

#include<bits/stdc++.h>
using namespace std;
int a,b,x,y;
int main(){
    cin>>a>>b>>x>>y;
    if(y+1<=b)cout<<x<<" "<<y+1<<endl;
    else cout<<"NA"<<endl;
    if(x+1<=a)cout<<x+1<<" "<<y<<endl;
    else cout<<"NA"<<endl;
    if(y-1)cout<<x<<" "<<y-1<<endl;
    else cout<<"NA"<<endl;
    if(x-1)cout<<x-1<<" "<<y<<endl;
    else cout<<"NA"<<endl;
	return 0;
}