p, n = map(int, input().split())

def f(S):
    if S == "-":
        return 1
    else:
        return [6, 2, 5, 5, 4, 5, 6, 4, 7, 6][int(S)]

for _ in range(n):
    nex = sum(map(f, str(p)))
    if nex == p:
        break
    p = nex
print(p)