H,N = [int(i) for i in input().split()]
a = [H]
for i in range(N-1):
    a.append(int(input()))
a.sort()
if a.index(H) == N-1:
    print("1st")
elif a.index(H) == N-2:
    print("2nd")
elif a.index(H) == N-3:
    print("3rd")
else:
    print(str(N-a.index(H))+"th")