s=input()
res = [s[i: j] for i in range(len(s)) for j in range(i + 1, len(s) + 1)]

v=['A','E','I','O','U']
kevin=0
stuart=0
for i in res:
    if i[0] in v:
        kevin+=1
    else:
        stuart+=1
if kevin==stuart:
    print("Draw")
elif stuart>kevin:
    print("Stuart"+" "+str(stuart))
else:
    print("kevin" + "" + str(kevin))

