from functools import reduce

BX = int( input().split()[1] )
X = [ int(x) for x in input().split() ]
X = reduce( lambda a,b: a*BX+b, X )

BY = int( input().split()[1] )
Y = [ int(x) for x in input().split() ]
Y = reduce( lambda a,b: a*BY+b, Y )

print( '=<>'[(X<Y)+2*(X>Y)] )