ll@n,@s,@a[n];
rsortA(n,a);
ll ok=a[0];
ll ng=0;
while(ng+1<ok){
	ll m=ok+ng>>1;
	ll z=0;
	for(ll i=0;i<n&&a[i]>m;i+=m){
		z+=a[i];
	}
	(z<s?ok:ng)=m;
}
wt(ok);