from numpy import*
from numpy.linalg import*
tab = array([[0,2,11,6,15,11,1], [2,0,7,12,4,2,15], [11,7,0,11,8,3], [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]])
c1 = int(input("cidade 1: "))
c2 = int(input("cidade 2: "))
