#!/usr/bin/env python3
import sys

n = int(1e5)
max_x = int(1e9)

print(2)
if sys.argv[1] == "impossible":
    print(2, 1, 2)
else:
    print(2, max_x, max_x - 1)
print(n - 2, *range(max_x - n + 3, max_x + 1))