vicotr

#include <iostream>

using namespace std;

int Oglindit(int N)
{
    int ogl = 0;
    while(N > 0)
    {
        ogl = ogl * 10 + N % 10;
        N /= 10;
    }
    return ogl;
}

int F(int X)
{
    int numar = X, nr = 0, P = 1, y;
    int nrz = 0, nrt = 0, nri = 0;
    if(X == 0) return 0;
    while(numar > 0)
    {
        if(numar % 10 == 0) nrz++;
        if(numar % 2 == 1) nri++;
        if(numar % 2 == 0)
        {
            nr = nr + P * (numar % 10);
            P *= 10;
        }
        nrt++;
        numar /= 10;
    }
    if(nrt - nri == nrz) return 1;
    if(nrt == nri) return 0;
    y = Oglindit(nr);
    if(y == nr) return 1;
    return 0;

}

int main()
{
    int K = 0, N, X;
    cin >> N;
    for(int i = 1 ; i <= N ; ++i)
    {
        cin >> X;
        if(F(X)) K++;
    }
    cout << K;

    return 0;
}