gistfile1.txt

def valid_triangle?(a, b, c)
  all_sides = [a,b,c]
  all_sides_sorted = all_sides.sort
  max_num = all_sides_sorted[2]
  if (all_sides_sorted[0] == 0 or all_sides_sorted[1] == 0 or all_sides_sorted[2] == 0)
  elsif (all_sides_sorted[0] == max_num and all_sides_sorted[1] == max_num and all_sides_sorted[2] == max_num)
    return true
  elsif ((all_sides_sorted[0] * all_sides_sorted[0]) + (all_sides_sorted[1] * all_sides_sorted[1]) == (all_sides_sorted[2] * all_sides_sorted[2]))
    return true
  else 
  	return false
  end
end