#!/usr/bin/env python3.8
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
from operator import itemgetter

N = int(readline())
U = 10 ** 4 + 1
m = map(int, read().split())
ABC = ((U - a, U - b, U - c) for a, b, c in zip(m, m, m))
IABC = sorted(enumerate(ABC, 1), key=itemgetter(1))


class MinBIT():
    INF = 10 ** 9

    def __init__(self, seq):
        self.size = len(seq)
        self.build(seq)

    def build(self, seq):
        data = seq
        size = self.size
        for i, x in enumerate(data):
            j = i + (i & (-i))
            if j < size and data[j] > data[i]:
                data[j] = data[i]
        self.data = data

    def get_min(self, i):
        s = INF
        while i:
            t = self.data[i]
            if s > t:
                s = t
            i -= i & -i
        return s

    def update(self, i, x):
        while i < self.size:
            if self.data[i] <= x:
                return
            self.data[i] = x
            i += i & -i


answers = []
INF = U + 10
bit = MinBIT([INF] * INF)
for i, (a, b, c) in IABC:
    x = bit.get_min(b)
    if x > c:
        bit.update(b, c)
        answers.append(i)
answers.sort()
print('\n'.join(map(str, answers)))