h,n = map(int,input().split())
a = list()
a.append(h)
for i in range(n-1):
    a.append(int(input()))

b = sorted(a, reverse=True).index(h)+1

if b == 1:
    print(f'{b}st')
elif b == 2:
    print(f'{b}nd')
elif b == 3:
    print(f'{b}rd')
else:
    print(f'{b}th')