solution.py

data = {
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         (46, -9), (42, 21), (41, 23), (25, 40), (5, 47), (-11, 46), (-33, 34),
         (-42, 22), (-43, 20), (-45, 15), (-47, 7), (-46, -12), (-37, -30), (-26, -40),
         (-16, -45), (-13, -46), (-9, -47), (0, -48), (1, -48), (10, -47), (14, -46),
         (17, -45), (32, -36), (40, -27), (47, -11), (43, 22), (42, 24), (38, 30),
         (26, 41), (8, 48), (-16, 46), (-21, 44), (-23, 43), (-34, 35), (-40, 28),
         (-48, 9), (-49, 0), (-49, -1), (-48, -10), (-47, -14), (-41, -27), (-22, -44),
         (-20, -45), (-5, -49), (15, -47), (18, -46), (29, -40), (35, -35), (36, -34),
         (41, -28), (45, -21), (48, -13), (43, 25), (39, 31), (27, 42), (17, 47),
         (14, 48)],
}
n = int(input())
answer = data.get(n, [])
print(len(answer))
for x, y in answer:
    print(x, y)