def solve():
    line = input().split(' ')
    standard = int(line[0])
    cnt = int(line[1]) - 1
    li = [standard]
    for i in range(cnt):
        li.append(int(input()))

    li.sort(reverse=True)
    idx = 0
    for i, item in enumerate(li):
        if (item == standard):
            idx = i
            break
    rank = idx + 1
    if (rank % 10 == 1):
        print(str(rank) + 'st')
    elif (rank % 10 == 2):
        print(str(rank) + 'nd')
    elif (rank % 10 == 3):
        print(str(rank) + 'rd')
    else:
        print(str(rank) + 'th')


solve()