N,M=input().split() N=int(N) M=int(M) a=[0]*N+[0] for i in range(2,M+1): for j in range(1,M+1): if j%i==0: if a[j]==0: a[j]=1 else: a[j]=0 res=[] for i in range(1,M+1): if a[i]==0: res.append(i) for j in range(len(res)-1): print(res[j],end=",") print(res[-1])