#include <iostream>
#include <string>

using namespace std;

int main()
{
 string a, tmp = "";
 int m, k;
 getline(cin, a);
 cin >> m;
 k = m;
 for (int i = 0; i < a.size(); i++){
    if (a[i] != ' '){
        tmp += a[i];
    }
    if (a[i] == ' ' || i == a.size() - 1){
        if (tmp.size() - k <= 0){
            k = k - tmp.size() - 1;
            cout << tmp << " ";
            tmp = "";
        }else if (tmp.size() > k){
            cout << endl << tmp << " ";
            k = m - tmp.size() - 1;
            tmp = "";
        }
    }
 }
 }