import math as m


def perm(a, k=0):
    if k == len(a):
        nums.append(a)
    else:
        for i in range(k, len(a)):
            a[k], a[i] = a[i] ,a[k]
            perm(a, k+1)
            a[k], a[i] = a[i], a[k]



numbers = [75.0, 25.0, 4.0, 9.0, 7.0, 10.0]
target = 498.0
nums = []
seg = []
perm(numbers)

maths = []
for one in range(5):
    for two in range(5):
        for three in range(5):
            for four in range(5):
                for five in range(5):
                    maths.append([one, two, three, four, five])








for i in nums:
    for j in maths:
        val = target
        tick = 0
        story = []
        try:
            for l in j:

                if l == 0:
                    val = val + i[tick]
                    story.append(f'-{i[tick]}')
                    tick = tick + 1

                elif l == 1:
                    val = val - i[tick]
                    story.append(f'+{i[tick]}')
                    tick = tick + 1

                elif l == 2:
                    val = val * i[tick]
                    story.append(f'/{i[tick]}')
                    tick = tick + 1

                elif l == 3:
                    val = int(val / i[tick])
                    story.append(f'*{i[tick]}')
                    tick = tick + 1

                elif l == 4:
                    val = val**i[tick]
                    story.append(f'log{i[tick]}')
                    tick = tick + 1

                elif l == 5:
                    val = m.log(val, i[tick])
                    story.append(f'**{i[tick]}')
                    tick = tick + 1


#if the value is one of the numbers we haven't used
                if val == i[tick]:

                    print('')
                    print(f"val = {val}, i = {i}, tick = {tick}")#, a = {a}")
                    print(story)
                    print('')
        except:
            except_return = 0