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

def get_suffix(n):
    if 11 <= (n % 100) <= 13:
        return 'th'
    last = n % 10
    if last == 1:
        return 'st'
    elif last == 2:
        return 'nd'
    elif last == 3:
        return 'rd'
    else:
        return 'th'

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