H, N = map(int, input().split())
others = [int(input()) for _ in range(N-1)]
all_heights = others + [H]
sorted_heights = sorted(all_heights, reverse=True)
rank = sorted_heights.index(H) + 1

r = rank
if r % 100 in {11, 12, 13}:
    suffix = 'th'
else:
    last_digit = r % 10
    if last_digit == 1:
        suffix = 'st'
    elif last_digit == 2:
        suffix = 'nd'
    elif last_digit == 3:
        suffix = 'rd'
    else:
        suffix = 'th'

print(f"{rank}{suffix}")