import string
while True:
    try:
        s = input()
        n = 0
        for i in s:
            if i in string.ascii_uppercase:
                n += 1
        print(n) 
    except:
        break
while True:
    try:
        s = input()
        l = [i for i in s if i.isupper()]
        print(len(l)) 
    except:
        break