N_MIN = 2
N_MAX = 50_000
M_MIN = 1
M_MAX = 50_000

N, M = map(int, input().split())
assert N_MIN <= N <= N_MAX
assert M_MIN <= M <= M_MAX

D = list(map(int, input().split()))
assert len(D) == N
for i in range(N):
    assert 1 <= D[i] <= M