t = input().split()
li = []
li.append(int(t[0]))
for i in range(int(t[1]) - 1):
    li.append(int(input()))
li.sort(reverse=True)
for index, value in enumerate(li, start=1):
    if int(t[0]) == value:
        if index % 10 == 1:
            print(str(index) + "st")
            break
        elif index % 10 == 2:
            print(str(index) + "nd")
            break
        elif index % 10 == 3:
            print(str(index) + "rd")
            break
        else:
            print(str(index) + "th")
            break