d507. 三角形的判斷 -- 板橋高中教學題 | From: [49.159.84.117] | 發表日期 : 2022-01-10 01:07

print((lambda n:'acute triangle' if n[0]+n[1] > n[2] else 'right triangle' if n[0]+n[1] == n[2] else'obtuse triangle')(sorted([int(i)*int(i) for i in input().split()])))