e-olymp
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084

084

Time limit 1 second
Memory limit 64 MiB
Input example #1
7 7 7
Output example #1
equilateral
Input example #2
9 9 3
Output example #2
isosceles
Input example #3
2 3 4
Output example #3
versatile
Input example #4
2 3 5
Output example #4
invalid
Input example #8
555 222 222
Output example #8
invalid