inputname = str(input())

chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-"

def check(name):
    if len(name) < 1 or len(name) > 32:
        return 400
    if name[0] == "_" or name[0] == "-":
        return 400
    for c in name:
        if c not in chars:
            return 400
    return 200

print(check(inputname))