***MCA NOTES***

Rearrange

	a=[int(x) for x in input().split()]
	mx=max(a)
	for i in range(mx+1):
	    if i!=mx:
        	if a.count(i)==0:
        	    print(-1,end=" ")
        	else:
        	    print(i,end=" ")
    	    else:
        	if a.count(i)==0:
        	    print(-1,end="")
        	else:
        	    print(i,end="")