#include<iostream>
#include<fstream>
using namespace std;
ifstream f("bac.txt");
int ok,s,a,j,k;
main()
{
    ok=0;
    s=0;
    while(f>>a)
    {
        if(a%2!=0)
            s=s+1;
        if(s==1)
        {
            f>>j>>k;
            if(a%2==0 && j%2==0 && k%2!=0)
            {
                cout<<a<<" "<<j;
                ok=1;
            }
            else
            {
                a=j;
                j=k;
                f>>k;
            }
        }
    }
    if(ok==0)
        cout<<"nu exista";
}