base, n = map(int, input().split())
res = 1
for i in range(1, n):
    if int(input()) > base:
        res += 1
res = str(res)
if res[-1] == 1:
    print(res + "st")
elif res[-1] == 2:
    print(res + "nd")
elif res[-1] == 3:
    print(res + "rd")
else:
    print(res + "th")