f=1000
n=1000
v=[0]*(n+1)
w=[0]*(n+1)
for i in range(n+1):w[i]=i

v[1]=f
for i in range(2,n+1):
    if i==2:
        v[i]=v[1]+1
    else:
        v[i]=v[i-1]+v[1]+1
print(n,n)
for i in range(1,n+1):
    print(v[i],w[i])