import java.io.*;
import java.util.*;
import java.math.*;

class Main {
	
	public static void out (Object o) {
		System.out.println(o);
	}
	
	public static void main (String[] args) throws IOException {
		BufferedReader br = 
			new BufferedReader(new InputStreamReader(System.in));
		
		int n = Integer.parseInt(br.readLine());
		int maxExp = -1 , maxId = -1;
		
		for (int i = 0; i < n; i++) {
			String[] line = br.readLine().split(" ");
			int g = Integer.parseInt(line[0]);
			int d = Integer.parseInt(line[1]);
			int exp = g - d * 30000;
			if (exp > maxExp) {
				maxExp = exp;
				maxId = i + 1;
			}
		}
		
		if (maxExp * 6 >= 3000000) {
			for (int i = 0; i < 6; i++) out(maxId);
		} else {
			out("NO");
		}
		
	}
}