from bisect import bisect_left

X, N, *H = map(int, open(0).read().split())

H.sort()
ans = N - bisect_left(H, X)

if ans % 10 == 1:
    print(f"{ans}st")

elif ans % 10 == 2:
    print(f"{ans}nd")

elif ans % 10 == 3:
    print(f"{ans}rd")

else:
    print(f"{ans}th")