ARC#006 A - 宝くじ

宝くじ

def r(): return map(int,raw_input().split())
E=r()
B=input()
L=r()
t=len([x for x in L if x in E])
if t==6: print 1
elif t==5 and B in L: print 2
elif t==5: print 3
elif t==4: print 4
elif t==3: print 5
else: print 0