from numpy import *
from numpy.linalg import *
tab = array([
[0,2,11, 6,15,11,1],
[2,0, 7,12, 4, 2,15],
[11,7,0,11,8,3,13],
[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]
])
tempo = 0
c1 = int(input("Digite o numero da cidade:"))
while c1 > 0:
a = int((c1 / 111) - 1)
c1 = int(input("Digite o numero da cidade:"))
if c1 > 0:
b = int((c1 / 111) - 1)
x = tab[a,b]
tempo = tempo + x
print(tempo)