6

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