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],[11,2,3,2,5,0,14],[1,15,13,1,13,14,0]])
x = int(input("Digite: "))
x = int((x/111) - 1)
a = 0
while (x != -1):
	y = int(input("Digite: "))
	y = int((y/111) - 1)
	if (y != -1):
		a = a + m[x,y]
	x = y
print(a)
