n, m = input().split(" ")
n = int(n)
m = int(m)
print("%d"%(n<<m))

67beeff3a444f1a214c79344edb3eb443ee9c213
<mask token>

<mask token>
print('%d' % (n << m))

n, m = input().split(' ')
n = int(n)
m = int(m)
print('%d' % (n << m))

n, m = input().split(" ")
n = int(n)
m = int(m)
print("%d"%(n<<m))
