def II():return int(input())
def SI():return str(input())
def MI():return map(int,input().split())
def MS():return map(str,input().split())
def LI():return list(map(int,input().split()))
def LS():return list(map(str,input().split()))
s1=SI()
s2=SI()
print("("+s1+s2+s1+")/")