H, N = map(int, input().split())
num = 1
for i in range(N - 1):
    h = int(input())
    if H < h:
        num += 1

if num % 10 == 1:
    print(str(num) + "st")
elif num % 10 == 2:
    print(str(num) + "nd")
elif num % 10 == 3:
    print(str(num) + "rd")
else:
    print(str(num) + "th")