N, K = map(int,input().split())
cnt = 0
while K ** cnt <= N:
    cnt += 1
print(cnt) N, K = map(int,input().split()) N map(int,input().split()) map int input().split() ().split () input split K cnt = 0 cnt 0 while K ** cnt <= N:
    cnt += 1 K ** cnt <= N K ** cnt K cnt N cnt += 1 cnt 1 print(cnt) print cnt K = map(int,input().split()) map(int,input().split()) K cnt = 0 0 cnt cnt += 1 1 cnt N, K = map(int,input().split()) map(int,input().split()) N
N, K = map(int,input().split())
cnt = 0
while K ** cnt <= N:
    cnt += 1
print(cnt)