H,N=map(int,input().split())
X=[0]*N
X[0]=H
for _ in range(1,N):
    X[_]=int(input())
X.sort(reverse=True)
for i in range(N):
    if H==X[i]:
        if i==0 or i%10==0: print(str(i+1)+"st");exit()
        elif i==1 or i%10==1: print(str(i+1)+"nd");exit()
        elif i==2 or i%10==2: print(str(i+1)+"rd");exit()
        else: print(str(i+1)+"th");exit()