N1 = input().split(',')
N2 = input().split(',')
N3 = input().split(',')
n1 = 0 if N1[0]=="NONE" else len(N1)
n2 = 0 if N2[0]=="NONE" else len(N2)
n3 = 0 if N3[0]=="NONE" else len(N3)
nn = (16-n1)*(16-n1)*(16-n2)*(16-n2)*(16-n3)*(16-n3)
print(nn)