Score: 100 points
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?
Input is given from Standard Input in the following format:
a b
Print the number of days from 2018-1-1 through 2018-a-b that are Takahashi.
5 5
5
There are five days that are Takahashi: 1-1, 2-2, 3-3, 4-4 and 5-5.
2 1
1
There is only one day that is Takahashi: 1-1.
11 30
11
There are eleven days that are Takahashi: 1-1, 2-2, 3-3, 4-4, 5-5, 6-6, 7-7, 8-8, 9-9, 10-10 and 11-11.