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

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