s = input()
L = []
z = s[0]
for i in s[1:]:
if z[-1] == i:
z += i
else:
L.append(z)
z = i
L.append(z)
ans = 1
for i in L:
c = 1
if i[0] == 'c':
c*=26
for j in range(1,len(i)):
c*=25
else:
c*=10
for j in range(1,len(i)):
c*=9
ans*=c
print(ans)