int main()
{
	int n;
	cin>>n;
	char ch[300][50];
	int lengthch[300];
	for (int i=0;i<n;i++)
	{
		cin>>ch[i];
	    lengthch[i]=strlen(ch[i]);
	}
	int num=80;
	for (int i=0;i<n;i++)
	{
		if (i==n-1) cout<<ch[i];
		else {
		if (num-lengthch[i]-lengthch[i+1]>0)
		{cout<<ch[i]<<' ';num=num-lengthch[i]-1;}
		else
		{cout<<ch[i]<<endl;num=80;}}
	}
	return 0;
}