from numpy import*
from numpy.linalg import*

n1=int(input("Digite a cidade 1: "))
n2=int(input("Digite a cidade 2: "))
mat=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],[11,2,3,2,5,0,14],[1,15,13,1,13,14,0]])

x=n1//111-1
y=n2//111-1

print(mat[x,y])