18 lines
313 B
Python
18 lines
313 B
Python
import sys
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input = sys.stdin.readline
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print = sys.stdout.write
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N = int(input())
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d = dict()
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for _ in range(N):
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n, t = input().rstrip().split()
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if t.startswith("e"):
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d[n] = 1
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else:
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d[n] = 0
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x = sorted([k for k, v in d.items() if v == 1])[::-1]
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for i in x:
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print(i)
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print('\n')
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