#!/usr/bin/python3
import sys

num = int(sys.argv[1])
query = "SELECT u{tab}.User,u{tab}.Host FROM".format(tab=num)

for i in range(num):
    query += " (SELECT u{tab}.User,u{tab}.Host, (SELECT {tab} FROM DUAL) i1, (SELECT MAX({tab}) FROM DUAL) i2 FROM".format(tab=num-i-1)

query += " mysql.user u0"

for j in range(num):
    query += ") u{} ".format(j+1)

print(query)