/**
 *   @FileName	a.cpp
 *   @Author	kanpurin
 *   @Created	2022.06.11 03:39:21
**/

#include "bits/stdc++.h" 
using namespace std; 
typedef long long ll;


int main() {
    int h,w;cin >> h >> w;
    if (h%2==0&&w%2==0) {
        cout << h*w << endl;
        for (int i = 0; i < h; i++) {
            for (int j = 0; j < w; j++) {
                cout << 1 << " ";
            }
            cout << endl;
        }
    }
    else if (h%2==0) {
        cout << h*(w-1) << endl;
        for (int i = 0; i < h; i++) {
            for (int j = 0; j < w-1; j++) {
                cout << 1 << " ";
            }
            cout << 0 << endl;
        }
    }
    else if (w%2 == 0) {
        cout << (h-1)*w << endl;
        for (int i = 0; i < h-1; i++) {
            for (int j = 0; j < w; j++) {
                cout << 1 << " ";
            }
            cout << endl;
        }
            for (int j = 0; j < w; j++) {
                cout << 0 << " ";
            }
            cout << endl;
    }
    else if (h < w) {
        cout << h*w-w << endl;
        for (int i = 0; i < h; i++) {
            for (int j = 0; j < w; j++) {
                if (i==j||(i==0&&h<=j)) cout << 0 << " ";
                else cout << 1 << " ";
            }
            cout << endl;
        }
    }
    else {
        cout << h*w-h << endl;
        for (int i = 0; i < h; i++) {
            for (int j = 0; j < w; j++) {
                if (i==j||(j==0&&w<=i)) cout << 0 << " ";
                else cout << 1 << " ";
            }
            cout << endl;
        }
    }
    return 0;
}