H, N = map(int, input().split())
ans = 1
for _ in range(N-1):
    h = int(input())
    if H<h:
        ans+=1
if ans==1:
    print(f"{ans}st")
elif ans==2:
    print(f"{ans}nd")
elif ans==3:
    print(f"{ans}rd")
else:
    print(f"{ans}th")