s=input()
n=len(s)
if len(s)>32:
	print(400)
	exit()
for i in range(n):
  if 0<i<n-1 and not (0<=ord(s[i])-ord('a')<=ord('z')-ord('a') or 0<=ord(s[i])-ord('A')<=ord('Z')-ord('A') or  0<=ord(s[i])-ord('0')<=ord('9')-ord('0') or s[i]=='_' or s[i]=='-'):
    print(400)
    exit()
  if (i==0 or i==n-1) and not (0<=ord(s[i])-ord('a')<=ord('z')-ord('a') or 0<=ord(s[i])-ord('A')<=ord('Z')-ord('A') or  0<=ord(s[i])-ord('0')<=ord('9')-ord('0')):
    print(400)
    exit()
print(200)