i = input().rstrip().split(" ") #取得

#身長0 人数i[1] - 1

n = 0

for k in range(int(i[1]) - 1):
    s = int(input())
    if int(i[0]) < s:
        n += 1

if n == 0:
    print("1st")

elif n == 1:
    print("2nd")

elif n == 2:
    print("3rd")

else:
    print(str(int(n) + 1) + "th")