#include <iostream>
#include <string.h>

using namespace std;

int main()
{
    char s[256];
    int m, c;
    c = 0;
    cin >> m;
    cin >> s;
    while(1){
        if ( c + strlen(s) < m ){
            cout << s << ' ';
            c = c + 1 + strlen(s);
        }else{
            cout << endl << s;
            c = strlen(s);
        }
        cin >> s;
        if(s[0] == '\0')
            break;
    }
}