#
# Welcome to GDB Online.
# GDB online is an online compiler and debugger tool for C, C++, Python, Java, PHP, Ruby, Perl,
# C#, OCaml, VB, Swift, Pascal, Fortran, Haskell, Objective-C, Assembly, HTML, CSS, JS, SQLite, Prolog.
# Code, Compile, Run and Debug online from anywhere in world.
#
limit = int(input("Limit: "))
allvalue = ""
count = 0
number = 0
while count < limit:
number += 1
count += number
allvalue += str(number) + " + "
print(allvalue)
print(allvalue[:-2])