a = [0x0804842b, 0x18, 0xfcffffff, 0x080484d0, 0x0804a030, 0x80484b0, 0x15000000, 0x4]
def req(sum, i, path):
    if i == len(a):
        if sum == 0x69:
            print(path)
        return
    s = str(hex(a[i]))[2::]
    if len(s) % 2 == 1:
        s = '0' + s
    s2 = ''
    for z in range(len(s) - 2, -2, -2):
        s2 += s[z:z+2]
    b = int(s2, 16)
    req(sum + b, i + 1, path + "r+")
    req(sum + a[i], i + 1, path + "n+")
    req(sum, i + 1, path + "00")
    req(sum - a[i], i + 1, path + "n-")
    req(sum - b, i + 1, path + "r-")
req(0, 0, '')