ll@n,@m,a[m]{};
rep(n){
	rep(i,m){
		char@c;
		a[i]+=c=='#';
	}
}
rep(n){
	ll z=sum[ll][i,0,m](a[i]-->0);
	rep(z)wtN('#');
	rep(m-z)wtN('.');
	wt("");
}