---

c = 0
for c1 in 'ДГШЯБЖ':
    for c2 in 'ДГШЯБЖ':
        for c3 in 'ДГШЯБЖ':
            for c4 in 'ДГШЯБЖ':
                for c5 in 'ДГШЯБЖ':
                    for c6 in 'ДГШЯБЖ':
                        w=c1+c2+c3+c4+c5+c6
                        if w.count('Я') == 1:
                            c+=1
print (c)