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

rank=1
for i in range(n-1):
    if int(input())>h:
        rank+=1

if rank%10==1:
    print(str(rank)+'st')
elif rank%10==2:
    print(str(rank)+'nd')
elif rank%10==3:
    print(str(rank)+'rd')
else:
    print(str(rank)+'th')