h,n=(int(i) for i in input().split())
hlist=list(int(input()) for i in range(n-1))

count=1
for i in range(len(h)):
    if h<hlist[i]:
        count+=1

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