Greater of Two Values

value_type = input()
first_value = input()
second_value = input()


def compare_int(f, s):
    if f > s:
        print(f)
    else:
        print(s)


def compare_chars(f, s):
    if ord(f) > ord(s):
        print(f)
    else:
        print(s)


def compare_string(f, s):
    if f > s:
        print(f)
    else:
        print(s)


if value_type == "int":
    compare_int(int(first_value), int(second_value))
elif value_type == "char":
    compare_chars(first_value, second_value)
elif value_type == "string":
    compare_string(first_value, second_value)