l=[(0,1),(1,1),(1,0)]
while len(l)<10**6:
    lnew=[]
    for i in range(len(l)-1):
        lnew.append(l[i])
        lnew.append((l[i][0]+l[i+1][0],l[i][1]+l[i+1][1]))
    lnew.append(l[-1])
    l=lnew
# print(len(l))
# print(sum(x[0] for x in l))
# print(sum(x[1] for x in l))

# n=10
n=10**6
print(n)
# x=0
# y=0
x=-10**9
y=-10**9
for i in range(n):
    print(x, y)
    x+=l[i][1]
    y+=l[i][0]