int main()
{
    int l=0,i,n;
    char word[1500][50];
    cin>>n;
    for(i=0;i<n;i++)
    	cin>>word[i];
    for(i=0;i<n-1;i++)
    {
    	if(l+strlen(word[i])==80)
    	{
    		l=0;
    		cout<<word[i]<<endl;
    	}
    	else if(l+strlen(word[i])<80)
    	{
    		if(l+strlen(word[i])+1+strlen(word[i+1])<=80)
    		{
    			cout<<word[i]<<' ';
    			l=l+strlen(word[i])+1;
    		}
    		else
    		{
    			cout<<word[i]<<endl;
    			l=0;
    		}
    	}
    }
    cout<<word[i];
	return 0;
}









