a, N = map(int, input().split())
l = [a,]
for i in range(N - 1):
    l.append(int(input()))
l.sort()
l.reverse()

if str(l.index(a) + 1)[-1] == "1":
    print("1st")
elif str(l.index(a) + 1)[-1] == "2":
    print("2nd")
elif str(l.index(a) + 1)[-1] == "3":
    print("3rd")
else:
    print(str(l.index(a) + 1) + "th")