Score : $100$ points
Snuke is buying a bicycle. The bicycle of his choice does not come with a bell, so he has to buy one separately.
He has very high awareness of safety, and decides to buy two bells, one for each hand.
The store sells three kinds of bells for the price of $a$, $b$ and $c$ yen (the currency of Japan), respectively. Find the minimum total price of two different bells.
Input is given from Standard Input in the following format:
$a$ $b$ $c$
Print the minimum total price of two different bells.
700 600 780
The minimum among these is $1300$ yen.
10000 10000 10000
Buying any two bells costs $20000$ yen.