#include <iostream>
#include <cstring>

using namespace std;

int main()
{
    char str[1000];
    cin.getline(str, 1000);

    int* arr = new int[strlen(str)];
    int arr_size = 0;

    for(const char *s = str; *s; ++s)
    {
        if (!isdigit(*s)) continue;
        char * e;
        arr[arr_size++] = strtol(s,&e,10);
        s = e - 1;
    }

    for(int i = 0; i < arr_size; ++i)
        cout << arr[i] << endl;

    delete []arr;
}