a=input()
c=0
c+=a.count('a')
c+=a.count('d')
c+=a.count('g')
c+=a.count('j')
c+=a.count('m')
c+=a.count('p')
c+=a.count('s')
c+=a.count('v')
c+=a.count('y')
c+=a.count('y')
c+=a.count('.')
c+=a.count(' ')

c+=a.count('b')*2
c+=a.count('e')*2
c+=a.count('h')*2
c+=a.count('k')*2
c+=a.count('n')*2
c+=a.count('q')*2
c+=a.count('t')*2
c+=a.count('w')*2
c+=a.count('z')*2
c+=a.count(',')*2

c+=a.count('c')*3
c+=a.count('f')*3
c+=a.count('i')*3
c+=a.count('l')*3
c+=a.count('o')*3
c+=a.count('r')*3
c+=a.count('u')*3
c+=a.count('x')*3
c+=a.count('!')*3
print(c)