H, N = [int(i) for i in input().split(' ')]
height_list = [H]
for _ in range(N - 1):
    height_list.append(int(input()))
height_list.sort(reverse=True)
rank = height_list.index(H) + 1
end = rank % 10
suffix = ['th', 'st', 'nd', 'rd', 'th'][end if end <= 3 else 4]
print(f'{rank}{suffix}')