n = int(input())

def check(expr):
    # 合并空格
    s = expr.replace(' ', '')
    # 分割数字和运算符
    tokens = []
    i = 0
    while i < len(s):
        if s[i] in '+-':
            tokens.append(s[i])
            i += 1
        else:
            num = ''
            while i < len(s) and s[i].isdigit():
                num += s[i]
                i += 1
            tokens.append(int(num))
    # 计算表达式
    res = tokens[0]
    i = 1
    while i < len(tokens):
        op = tokens[i]
        num = tokens[i + 1]
        if op == '+':
            res += num
        else:
            res -= num
        i += 2
    return res == 0

def dfs(u, expr):
    if u == n:
        if check(expr):
            print(expr)
        return
    # 尝试插入空格
    dfs(u + 1, expr + ' ' + str(u + 1))
    # 尝试插入 '+'
    dfs(u + 1, expr + '+' + str(u + 1))
    # 尝试插入 '-'
    dfs(u + 1, expr + '-' + str(u + 1))

# 从数字1开始，初始表达式为"1"
dfs(1, "1")