import sys
from collections import deque, Counter
sys.setrecursionlimit(5 * 10 ** 5)
from pypyjit import set_param
set_param('max_unroll_recursion=-1')
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
inf = 2 ** 63 - 1
mod = 998244353

import math

n = 10 ** 6
print(n)
for i in range(n):
    print(round(10 ** 9 * math.cos(2 * math.pi * i / n)), round(10 ** 9 * math.sin(2 * math.pi * i / n)))