#include <iostream>
#include <string>
#include <sstream>
#include <vector>
#include <stdio.h>
#include <iomanip>

using namespace std;


int main(void) {
  string s = "1 2 3 4";
  int i;
  vector<int> j;
  stringstream ss(s);
  while (ss >> i) {
    j.push_back(i);
    cout << i << endl;
  }

  printf("%4d %4d %4d %4d\n", j[0], j[1], j[2], j[3]);

  cout.width(100);
  cout << setw(100) << j.size() << endl;
}