from numpy import*
from numpy.linalg import*
m =array([[0,2,11,6,15,11,1],
	      [2,0,7,12,4,2,15],
	      [11,7,0,11,8,3,13],
	      [6,12,11,0,10,2,1],
	      [15,4,8,10,0,5,13],
	      [11,2,3,1,5,0,14],
	      [1,15,13,1,13,14,0]])
x1= int(input("cidade1: "))
y1= int(input("cidade2: "))
x=(x1//111)-1
y=(y1//111)-1
print(m[x,y])

