H, N = map(int,input().split())
List = [H]
for i in range(N-1):
    List.append(int(input()))
List.sort(reverse = True)
Num = List.index(H) + 1
Nums = str(Num)
if Nums[-1] == "1":
    Nums = Nums + "st"
elif Nums[-1] == "2":
    Nums = Nums + "nd"
elif Nums[-1] == "3":
    Nums = Nums + "rd"
else:
    Nums = Nums + "th"
print(Nums)