def convert(s1):     
    st=[0]*100
    top=-1
    s2="" 
    a=""
    for i in range(len(s1)):
        if '0'<=s1[i]<='9':
            a+=s1[i]
        else:
            if '0'<=s1[i-1]<='9':
                s2=s2+a+" "
                a=""
            if s1[i]=="(":
                top+=1
                st[top]=s1[i]
            else:
                while top>-1 and yxj[s1[i]]<=yxj[st[top]]:
                    s2=s2+st[top]+" "
                    top-=1
                if s1[i]==")":
                    top-=1
                else:
                    top+=1
                    st[top]=s1[i]
    s2=s2+a+" "
    while top>-1:
        s2=s2+st[top]+" "
        top-=1
    return s2
yxj={"+":2,"-":2,"*":3,"/":3,"(":0,")":1}  
s1=input()
print(convert(s1))