Problems
Bouquet of Flowers for Juniors
Bouquet of Flowers for Juniors
Since today is March 8th, you will be preparing a bouquet of flowers. There are two kinds of flowers in your store. White and red flowers. Each bouquet must consist of $3$ flowers, and the bouquet must contain both types of flowers.
If your store has $n$ white and $m$ red flowers, what is the maximum number of bouquets can you make?
Input
Two integers $n$ and $m$$(0 ≤ n, m ≤ 5 \cdot 10^5)$.
Output
Print the maximum number of bouquets you can make.
Input example #1
88 100
Output example #1
62