a,n = list(map(int, input().split()))
heights = []
rank = 1
for i in range(n):
    if i == n - 1:
        heights.append(0)
    else:
        heights.append(int(input()))
for height in heights:
    if height > a:
        rank += 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")