# your code goes here
H,N=(int(i) for i in input().split())
c=0
for i in range(N-1):
   # print(c)
    g=int(input())
    if g>H:
        c+=1
S=str(c+1)
S=S[-1]
if S=="1":
    d="st"
elif S=="2":
    d="nd"
elif S=="3":
    d="rd"
else:
    d="th"
print(S+d)