h,n = map(int,input().split())
line = [int(input()) for _ in range(n - 1)]
line.append(h)
line_so = sorted(line,reverse=True)
if line_so.index(h) + 1 == 1:
    print('1st')
elif line_so.index(h) + 1 == 2:
    print('2nd')
elif line_so.index(h) + 1 == 3:
    print('3rd')
else:
    print(f"{line_so.index(h) + 1}th")