#include <iostream>
using namespace std;
struct pt
{
    int x, y;
    pt()
    {
    }
    pt(int x, int y): x(x), y(y)
    {
    }
};
istream& operator>> (istream& in, pt& p)
{
    char c;
    return in >> c >> p.x >> c >> p.y >> c;
}
ostream& operator<< (ostream& out, const pt& p)
{
    return out << "(" << p.x << ", " << p.y << ")";
}
template<typename X>
void read(X *mas, int a, int b)
{
    for (int i = 0; i<a; i++)
    {
        for (int j = 0; j<b; j++)
        {
            cin >> mas[i][j];
        }
    }
}
template<typename X>
void print(X *mas, int a, int b)
{
    for (int i = 0; i < a; i++)
    {
        for (int j = 0; j < b; j++)
        {
            cout << mas[i][j] << ' ';
        }
        cout << endl;
    }
}
template <typename X>
void print_snake(X *mas, int a, int b)
{
    for (int i = 0; i< a; i++)
    {
        if (i % 2 == 0)
        {
            for (int j = 0; j < b; j++)
            {
                cout << mas[i][j] << ' ';
            }
        }
        else
        {
            for (int j = 0; j < b; j++)
            {
                cout << mas[i][b - j - 1] << ' ';
            }
        }
    }
    cout << endl;
}
int main()
{
    pt mas[100][100];
    int a, b;
    cout<<"enter the number of rows and columns"<<endl;
    cin >> a >> b;
    cout<<"enter the matrix row by row"<<endl;
    read(mas, a, b);
    cout<<"your matrix is:" << endl;
    print(mas, a, b);
    cout<<"your matrix in snake order:" << endl;
    print_snake(mas, a, b);
    system("pause");
    return 0;
}