测试用例给的结果不全，导致只能暴力枚举所有的计算方法。
The test results is not all of the answers, I calculte all of the results and output them.

# poke dictionary
pokedict={'A':1,'J':11,'Q':12,'K':13}
operators=['+','-','*','/']
def calto_24(pokeget):        #type<pokrget>==list
    outpoke=[]      #output poke list
    if 'joker' in pokeget or 'JOKER' in pokeget:
        print('ERROR')
    else:
        pokelist=[]
        for ss in pokeget:
            if ss in pokedict:pokelist.append(pokedict[ss])
            else:pokelist.append(int(ss))
        for i in range(4):
            for j in range(4):
                if j!=i:
                    for k in range(4):
                        if k not in [i,j]:
                            indexs = [0, 1, 2, 3]  # index list
                            indexs.remove(i)
                            indexs.remove(j)
                            indexs.remove(k)
                            m=indexs[0]
                            for op1 in operators:
                                if op1=='+':answer1=pokelist[i]+pokelist[j]
                                if op1=='-':answer1=pokelist[i]-pokelist[j]
                                if op1=='*':answer1=pokelist[i]*pokelist[j]
                                if op1=='/':answer1=pokelist[i]/pokelist[j]
                                for op2 in operators:
                                    if op2=='+':answer2=answer1+pokelist[k]
                                    if op2=='-':answer2=answer1-pokelist[k]
                                    if op2=='*':answer2=answer1*pokelist[k]
                                    if op2=='/':answer2=answer1/pokelist[k]
                                    for op3 in operators:
                                        if op3=='+':answer3=answer2+pokelist[m]
                                        if op3=='-':answer3=answer2-pokelist[m]
                                        if op3=='*':answer3=answer2*pokelist[m]
                                        if op3=='/':answer3=answer2/pokelist[m]
                                        if answer3==24:
                                            outpoke.append(pokeget[i]+op1+pokeget[j]+op2+pokeget[k]+op3+pokeget[m])
        if len(outpoke)==0:
            print('NONE')
        else:
            for o in outpoke:print(o)     #output all of the answers
inpoke=input().split()
calto_24(inpoke)