import sys input = lambda : sys.stdin.readline().rstrip() write = lambda x: sys.stdout.write(x+"\n"); writef = lambda x: print("{:.12f}".format(x)) debug = lambda x: sys.stderr.write(x+"\n") YES="Yes"; NO="No"; pans = lambda v: print(YES if v else NO) LI = lambda : list(map(int, input().split())) sys.setrecursionlimit(3*10**5+10) n = int(input()) def main(n): if n%3==0: a = list(range(0,3*n,3)) b = list(range(1,3*n+1,3)) d = n//3 for i in range(n-d,n): a[i] += 3 elif n%3==1: a = list(range(0,3*n,3)) b = list(range(1,3*n+1,3)) d = n//3 for i in range(n-d,n): a[i] += 3 a[-1] += 1 else: a = list(range(1,3*n+1,3)) b = list(range(2,3*n+2,3)) v = 30 a = [v+vv for vv in a] b = [v+vv for vv in b] d = (n)//3 for i in range(n-d,n): a[i] += 3 a[-1] += 1 a[-2] += 1 a[-1] += 15 a[-2] += 15 a[0] -= 15 a[1] -= 15 # print(a,b) assert sum(a)==sum(b), (a,b) for i in range(n-1): assert a[i]