f=lambda r,a,b:b and[8-int(~-a/3),max(18-2*a,13-a)][r>2]+f(r,a-1,b-1)
print(f(0,24,4))
print(f(0,20,4))
print(f(1,3,3))
print(f(3,1,1))
print(f(0,1,1))
print(f(2,0,0))
print(f(1,10,7))
print(f(3,12,4))
print(f(2,11,4))
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