/*
 * homework.cpp
 *
 *  Created on: 2011-12-5
 *      Author: luo
 */
int main()
{
	int n,i,j,totallenth=0,record=0;     //totallenth??????????record??????????
	int *p;
	cin>>n;
	p=&n;
	int lenth[*p];    //?????????
	char str[*p][41];    //??????
	for(i=0;i<n;i++)   //?????????
	{
		cin>>str[i];
		lenth[i]=strlen(str[i]);
	}
	for(i=0;i<n;i++)       
	{
		totallenth+=lenth[i]+1;       //?????????????????????????????????
		if(totallenth>81)         //????????????81?????????????????
		{
			for(j=record;j<=i-1;j++)    
				{
				cout<<str[j];
				if(j!=i-1)
					cout<<' ';
				else {cout<<endl;
				}
				}
			totallenth=lenth[i]+1;    //?totallenth???????????
			record=i;        //?????????????
		}
		if(i==n-1&&record!=i)    //???????????????????????
		{
			for(j=record;j<=i;j++)
				{
				cout<<str[j];
				if(j!=i)
					cout<<' ';
				else cout<<endl;
				}
		}
	}
	return 0;
}
