import math
degrees = int(input())
radians = math.radians(degrees)
cotangent = math.cos(radians) / math.sin(radians)
print(round(cotangent, 10))

9100405a234523c24ca1099ebc72bc0d53d9c3f0
<mask token>

<mask token>
print(round(cotangent, 10))

<mask token>
degrees = int(input())
radians = math.radians(degrees)
cotangent = math.cos(radians) / math.sin(radians)
print(round(cotangent, 10))

import math
degrees = int(input())
radians = math.radians(degrees)
cotangent = math.cos(radians) / math.sin(radians)
print(round(cotangent, 10))
