Created
November 1, 2016 22:25
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| def bb(n): | |
| prevstring = "" | |
| while n != prevstring: | |
| prevstring = n | |
| n = n.replace("()", "").replace("[]", "").replace("{}", "") | |
| return "YES" if n == "" else "NO" | |
| t = int(input().strip()) | |
| for a0 in range(t): | |
| s = input().strip() | |
| print(bb(s)) |
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