The length of the Moscow Ring Road is 109 kilometers. The motorcyclist Vasya starts from the zero kilometer of the Moscow Ring Road and travels at a constant speed v kilometers per hour. At what kilometer of the Moscow Ring Road he will stop in t hours?

Input

The speed v and time t are given in separate lines. If v > 0, Vasya is moving in positive direction along the road, if v < 0, in negative direction.

Output

Print the kilometer number (integer value from 0 to 108), where Vasya will stop.