R = input()
G = input()
B = input()
Rv = 16-(len(R)+1)//2 if R != 'None' else 16
Gv = 16-(len(G)+1)//2 if G != 'None' else 16
Bv = 16-(len(B)+1)//2 if B != 'None' else 16
print((Rv*Gv*Bv)**2)