While, sstream, 2 vectors[ ] WITH INT

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

using namespace std;

long sstoi(const char *s) // custom stoi function
{
    long i;
    i = 0;
    while(*s >= '0' && *s <= '9')
    {
        i = i * 10 + (*s - '0');
        s++;
    }
    return i;
}

int main()
{
    string newString, input;
    vector <int> nums(1);
    vector <int> nums2(1);
    vector <int> nums3(1);
    int k =0;
    while(cin>>k)
    {
        cin.ignore();
    getline(cin, input);
    stringstream stream;
    stream.str(input);
    stream.clear();
    while(stream >> newString)
    {
        nums.push_back(sstoi(newString.c_str()));
    }



    getline(cin, input);
    stream.str(input);
    stream.clear();
    while(stream >> newString)
    {
        nums2.push_back(sstoi(newString.c_str()));

    }

    getline(cin, input);
    stream.str(input);
    stream.clear();
    while(stream >> newString)
    {
        nums3.push_back(sstoi(newString.c_str()));

    }
    for(int i =1; i< nums.size(); i++)

    {
        cout << "nums 1 " << nums[i] << endl;
    }
    for(int i =1; i< nums2.size(); i++)

    {
        cout <<"nums 2 " << nums2[i] << endl;
    }
    for(int i =1; i< nums3.size(); i++)

    {
        cout <<"nums 3 " << nums3[i] << endl;
    }
    cout << "K e: " << k << endl;
    }




}