r1 = float(input('First: '))
r2 = float(input('Second: '))
r3 = float(input('Third: '))

if r1 < r2 + r3 and r2 < r1 + r3 and r3 < r1 + r2:
  print('Could be a triangle')
  if r1 == r2 and r2 == r3:
    print('Equilaterus')
  elif r1 != r2 and r2 != r3 and r1 != r3:
    print('Scalen')
  else:
    print('Isosceles')
else:
  print('Cant be a triangle')