import sys

sys.setrecursionlimit(10**6)
int1 = lambda x: int(x)-1
p2D = lambda x: print(*x, sep="\n")
def II(): return int(sys.stdin.buffer.readline())
def MI(): return map(int, sys.stdin.buffer.readline().split())
def MI1(): return map(int1, sys.stdin.buffer.readline().split())
def LI(): return list(map(int, sys.stdin.buffer.readline().split()))
def LI1(): return list(map(int1, sys.stdin.buffer.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def BI(): return sys.stdin.buffer.readline().rstrip()
def SI(): return sys.stdin.buffer.readline().rstrip().decode()
# dij = [(0, 1), (-1, 0), (0, -1), (1, 0)]
dij = [[(-1, 0), (1, 0)], [(0, -1), (0, 1)]]
inf = 10**16
# md = 998244353
md = 10**9+7

class BitMax:
    def __init__(self, n):
        self.inf=10**9
        self.n = n + 3
        self.table = [-self.inf] * (self.n + 1)

    def update(self, i, x):
        i += 1
        while i <= self.n:
            if x > self.table[i]: self.table[i] = x
            i += i & -i

    def max(self, i):
        i += 1
        res = -self.inf
        while i > 0:
            if self.table[i] > res: res = self.table[i]
            i -= i & -i
        return res

mx=10005
bit=BitMax(mx)
n=II()
xyz=LLI(n)

xyzi=[(x,y,z,i+1) for i,(x,y,z) in enumerate(xyz)]
xyzi.sort(reverse=True)

ans=[]
for x,y,z,i in xyzi:
    y=mx-y
    pz=bit.max(y)
    if z>pz:
        ans.append(i)
        bit.update(y,z)

ans.sort()
print(*ans,sep="\n")