//??????????????????????....???strlen???????????????...???????????= =
int main()
{
	char a[45];
	int m;
	int count=0;
	cin>>m;
	for(int i=1;i<=m;i++)
	{
	cin>>a;
		if(count==0)	//?????????????
			{cout<<a;	//????
			count=strlen(a);//???????????
			}
		else if(count+strlen(a)+1<80)	//??????????????80??????
		{
		cout<<" "<<a;	//?????? ???????
		count=count+strlen(a)+1;	//??????????????
		}
		else if(count+strlen(a)+1==80)		//????????????80
		{
		cout<<" "<<a<<endl;	//????????????????
		count=0;	//????????0
		}
		else		//????????????????80
			{
			 cout<<endl;	//???
			 cout<<a;		//???????????
			 count=strlen(a);
			}
	}
	return 0;
}