a, b, c = map(int, input().split()) total = a + b + c d = 20 - total print(d)
a,b,c=input().split() a,b,c=int(a),int(b),int(c) s=20-a-b-c print(s)
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初二349班尹浩宇
LV 6
@ 2025-12-30 11:32:36
