@ -1,4 +1,4 @@
def f(d,e,f):
a,b=*map(int,d.split('-'))
return (f[a-1]==e[0])^(f[b-1]==e[0])
print(sum(f(*x.split()) for x in open(0)))
print(sum(f(*x.split())for x in open(0)))
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