#include <iostream>
#include <sstream>
#include <string>
#include <vector>
using namespace std;

int main() {
	string s= "4 5 6";
	stringstream ss(s);
	vector<int> v;
	
	int hlp;
	while(ss >> hlp)
	{
		v.push_back(hlp);
	}
	
	for(auto i: v)
		cout << i << '\n';
	return 0;
}