def jo(s):return '.'.join(s)
a,b=map(str,input().split())
a,b=a.split('.'),b.split('.')
x,y=len(a),len(b)
i,j=0,0
equal=0
while x>0 and y>0:
        if int(a[x-1])>int(b[y-1]):
                i+=1
        elif int(a[x-1])<int(b[y-1]):
                j+=1
        x-=1
        y-=1
if i==j:
        print(jo(a) if int(a[0])>int(b[0]) else jo(b))
elif i>j:
        print(jo(a))
elif i<j:
        print(jo(b))
else:
        print(jo(a) if len(a)>len(b) else jo(b))