
int main()
{
	char a[41];
	int num,count=0,sum=0;
	cin>>num;
	while(count<num)
	{
		count++;
		cin>>a;
		int l=strlen(a);
		if(sum==0)
		{	
			cout<<a;
			sum+=l;
		}
		else if(sum+l+1>80)
		{
			cout<<endl;
			cout<<a;
			sum=l;
		}
		else if(sum>0&&sum+l<80)
		{
			cout<<" "<<a;
			sum+=(l+1);
		}
	}
	return 0;
}