h,n= map(int, input().split())
l=[h]
for i in range(n-1):
    l.append(int(input()))
l=sorted(l, reverse=1)

rank = l.index(h)+1
one = rank%10

if one==1:
    print(str(rank)+"st")
elif one==2:
    print(str(rank)+"nd")
elif one==3:
    print(str(rank)+"rd")
else:
    print(str(rank)+"th")