arr = []

def read():
    global arr
    print(arr[0], end = ' ')
    for i in arr[1:]:
        print("+", i, end = ' ')
    print()

def wrk(inp):
    global arr
    if(inp > 1):
        if(inp % 3):
            for i in range(inp - 1, inp // 3, -1):
                if(i >= inp - i):
                    arr.append(i)
                    arr.append(inp - i)
                    read()
                    arr = arr[:-1]
                else:
                    arr.append(i)

                wrk(inp - i)
                arr = arr[:-1]
        else:
            for i in range(inp - 1, inp // 3 - 1, -1):
                if(i >= inp - i):
                    arr.append(i)
                    arr.append(inp - i)
                    read()
                    arr = arr[:-1]
                else:
                    arr.append(i)

                wrk(inp - i)
                arr = arr[:-1]

n = int(input())
wrk(n)