def seg(x):
    if x[0] == "-": return 1 + seg(x[1:])
    elif len(x) >= 2: return sum(seg(i) for i in x)
    else:
        return [6, 2, 5, 5, 4, 5, 6, 4, 7, 6][int(x)]
p, n = input().split()
now = p
if len(n) > 10: n = 10
for i in range(int(n)):
    now = str(seg(now))
print(now)