H, N = map(int, input().split())
ans = 1
for i in range(N - 1):
    if int(input()) > H:
        ans += 1

if ans % 10 == 1:
    print('{0}st'.format(ans))
elif ans % 10 == 2:
    print('{0}nd'.format(ans))
elif ans % 10 == 3:
    print('{0}rd'.format(ans))
else:
    print('{0}th'.format(ans))