string_to_double

#include <iostream>
#include <fstream>
#include <string>

#define ins in
#define outs cout

using namespace std;

int main()
{
    ifstream in("input.txt");
    ofstream out("output.txt");

    string t;
    getline(ins, t);
    double d;
    size_t cnt;

    while (t.length() > 0)
    {
        try
        {
            d = stod(t, &cnt);
            outs << d << " ";
            t.erase(0, cnt);
        }
        catch (...)
        {
            t.erase(0, 1);
        }
    }
    getc(stdin);
    return 0;
}