s = raw_input()

vowels = 'AEIOU'

kevsc = 0
stusc = 0
for i in range(len(s)):
    if s[i] in vowels:
        kevsc += (len(s)-i)
    else:
        stusc += (len(s)-i)

if kevsc > stusc:
    print "Kevin", kevsc
elif kevsc < stusc:
    print "Stuart", stusc
else:
    print "Draw"