#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n,m;
    cin >> n >> m;
    if(n%2==1)
    {
        int flag = 1;
        for (int i = 1; i <= n;i++)
        {
            if(i%2==1)
            {
            if(flag==1)
            {
                for (int j = 1; j <= m;j++)
                {
                    if(j%2==1)
                    {
                        cout << "1 ";
                    }
                    else 
                    {
                        cout << "0 ";
                    }
                }
                cout << endl;

            }
            if(flag==0)
            {
                for (int j = 1; j <= m; j++)
                {
                    if (j % 2 == 0)
                    {
                        cout << "1 ";
                    }
                    else
                    {
                        cout << "0 ";
                    }
                }
                cout << endl;
            }
            if (flag == 1)
                flag = 0;
            else
                flag = 1;
        }
        
        else 
        {
            for (int j = 1; j <= m;j++){
                cout << "0 ";
            }
            cout << endl;
        }
     
        }
    }
    else 
    {
        int flag = 1;
        for (int i = 1; i <= n-1; i++)
        {
            if (i % 2 == 1)
            {
                if (flag == 1)
                {
                    for (int j = 1; j <= m; j++)
                    {
                        if (j % 2 == 1)
                        {
                            cout << "1 ";
                        }
                        else
                        {
                            cout << "0 ";
                        }
                    }
                    cout << endl;
                }
                if (flag == 0)
                {
                    for (int j = 1; j <= m; j++)
                    {
                        if (j % 2 == 0)
                        {
                            cout << "1 ";
                        }
                        else
                        {
                            cout << "0 ";
                        }
                    }
                    cout << endl;
                }
                if (flag == 1)
                    flag = 0;
                else
                    flag = 1;
            }

            else
            {
                for (int j = 1; j <= m; j++)
                {
                    cout << "0 ";
                }
                cout << endl;
            }
        }
        cout << "1 ";
        for (int i = 1; i <= m - 1;i++)
        {
            cout << "0 ";
        }
        cout << endl;
    }
}