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SW Expert Academy
SW ํ๋ก๊ทธ๋๋ฐ ์ญ๋ ๊ฐํ์ ๋์์ด ๋๋ ๋ค์ํ ํ์ต ์ปจํ ์ธ ๋ฅผ ํ์ธํ์ธ์!
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ํ์ด
๋ ์ ์ ์ค ํ๋๋ผ๋ 10 ์ด์์ ์๊ฐ ์กด์ฌํ๋ฉด -1์ ์ถ๋ ฅํ๋ค.
๊ทธ๋ ์ง ์์ผ๋ฉด ๋ ์๋ฅผ ๊ณฑํ๋ค.
Solution
test_case = int(input())
for tc in range(1, test_case + 1):
a, b = map(int, input().split())
result = 0
if a >= 10 or b >= 10:
result = -1
else:
result = a * b
print("#%d %d" % (tc, result))
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