1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
a = []
for i in range(int(input())):
	s,x = input().split()
	if s=='TAK':
		a.append([int(x),i+1])
b = a[:10]
for i in range(10,len(a)):
	if a[i][0]<2:
		b.append(a[i])
b = map(lambda x: x[1],b[:20])
print(*b)