set1=list(map(str,input().split(',')))
set2=list(map(str,input().split(',')))
print('choice one option 1)add 2)remove 3)difference 4)intersection ')
n=int(input())
print('choice one 1)set1 2)set2')
p=int(input())
if(n==1):
    st=str(input())
    if(p==1):
        a=set(set1)
        a.add(st)
        print("set("+str(list(sorted(a)))+")")
    elif(p==2):
        a=set(set2)
        a.add(st)
        print("set("+str(list(sorted(a)))+")")
    else:
        print('invalid choice')
elif(n==2): 
    st=str(input())
    if(p==1):
        a=set(set1)
        a.remove(st)
        print("set("+str(list(sorted(a)))+")")
    elif(p==2):
        a=set(set2)
        a.remove(st)
        print("set("+str(list(sorted(a)))+")")
    else:
        print('invalid choice')
elif(n==3): 
    if(p==1):
        a=set(set1)
        b=set(set2)
        c=list(sorted(a.difference(b)))
        print("set("+str(c)+")")
    elif(p==2):
        a=set(set1)
        b=set(set2)
        c=list(sorted(b.difference(a)))
        print("set("+str(c)+")")
    else:
        print('invalid choice')
elif(n==4): 
    if(p==1):
        a=set(set1)
        b=set(set2)
        c=list(sorted(a.intersection(b)))
        print("set("+str(c)+")")
    elif(p==2):
        a=set(set1)
        b=set(set2)
        c=list(sorted(b.intersection(a)))
        print("set("+str(c)+")")
    else:
        print('invalid choice')a=float(input("Enter branding expenses"))
b=float(input("Enter travel expenses"))
c=float(input("Enter food expenses"))
d=float(input("Enter logistics expenses"))
sum=a+b+c+d
brand=(a/sum)*100
travel=(b/sum)*100
food=(c/sum)*100
log=(d/sum)*100
print("Total expenses : Rs.{:.2f}".format(sum))
print("Branding expenses percentage : {:.2f}".format(brand),end="%")
print("Travel expenses percentage : {:.2f}".format(travel),end="%")
print("Food expenses percentage : {:.2f}".format(food),end="%")
print("Logistics expenses percentage : {:.2f}".format(log),end="%")