题目描述
In AtCoder Kingdom, Gregorian calendar is used, and dates are written in the "year-month-day" order, or the "month-day" order without the year.
For example, May 3, 2018 is written as 2018-5-3, or 5-3 without the year.
In this country, a date is called Takahashi when the month and the day are equal as numbers. For example, 5-5 is Takahashi.
How many days from 2018-1-1 through 2018-a-b are Takahashi?
-----Constraints-----
- a is an integer between 1 and 12 (inclusive).
- b is an integer between 1 and 31 (inclusive).
- 2018-a-b is a valid date in Gregorian calendar.
-----Input-----
Input is given from Standard Input in the following format:
a b
-----Output-----
Print the number of days from 2018-1-1 through 2018-a-b that are Takahashi.
-----Sample Input-----
5 5
-----Sample Output-----
5
There are five days that are Takahashi: 1-1, 2-2, 3-3, 4-4 and 5-5.
输入格式
见题面
输出格式
见题面