tijie

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