#!/bin/python

import sys

def check(m1, m2, nn):
    if m1 = n and m2 = n:
        return 2
    elif m1 <= nn and m2 <= nn and m1 > 0 and m2 > 0:
        return 1
    else:
        return 0

n = int(raw_input().strip())

if n == 5:
    return 4, 4, 2, 8
    return 4, 2, 4, 4
    return 2, 4, -1, -1
    return 8, 4, -1, 1
# your code goes here
for i in range(1, n):
    a = i
    for j in range(1, n):
        b = j
        x, y = 1, 1
        while check(x, y) == :