def g2(p1,p2,a,b)
as=[]
[b,p1,p2].each{|e|
as<<e.zip(a).map{|e2| e2[0]-e2[1]}
}
e1=as[0]
e2=as[1]
e3=as[2]
return e1[0]*(e2[1]*e3[2]-e3[1]*e2[2])+e1[1]*(e2[0]*e3[2]-e2[2]*e3[0])+e1[2]*(e2[0]*e3[1]-e3[0]*e2[1])
end
def g(p1,p2,a,b)
t=g2(p1,p2,a,b)
return (t==0)?0:(t>0)?1:2
end
def f()
return gets.split(" ").map{|e| e.to_i}
end
a=f()
b=f()
cs=[]
ds=[0,0,0]
3.times{
cs<<f()
}
3.times{|i|
ds[g(cs[i],cs[(i+1)%3],a,b)]+=1
}
ans="HIT"
s1=g2(cs[1],cs[2],a,cs[0])
if s1>=0 then
ans="MISS" if ds[0]+ds[1]==3
else
ans="MISS" if ds[0]+ds[2]==3
end
puts ans
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