s=input()
ans=200
if not 1<=len(s)<=32:
  ans=400
for c in s:
  if not('A'<=c<='Z'or'a'<=c<='z'or'0'<=c<='9'or c in'_-'):
    ans=400
if s[0]in'_-'or s[-1]in'_-':
  ans=400
print(ans)