h, n = map(int, input().split())

l = [h]
for i in range(n-1):
    l.append(int(input()))

l = sorted(l)[::-1]

if l.index(h) == 0:
    print('1st')
elif l.index(h) == 1:
    print('2nd')
elif l.index(h) == 2:
    print('3rd')
else:
    print( str(l.index(h)+1) + 'th')