H,N = list(map(int,input().split()))


rank = 1
for _ in range(N-1):
    if int(input()) > H:rank += 1
if rank % 10 == 1:
    S = 'st'
elif rank % 10 == 2:
    S = 'nd'
elif rank % 10 == 3:
    S = 'rd'
else:
    S = 'th'
print(str(rank)+S)