#include <bits/stdc++.h>
using namespace std;

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++) {
			cout << 1;
			for (int j = 1; j < W; j++) {
				cout << " " << 1;
			}
			cout << endl;
		}
	}
	if (H % 2 == 1 && W % 2 == 0) {
		cout << (H - 1) * W << endl;
		for (int i = 0; i < H - 1; i++) {
			cout << 1;
			for (int j = 1; j < W; j++) {
				cout << " " << 1;
			}
			cout << endl;
		}
		cout << 0;
		for (int j = 1; j < W; j++) {
			cout << " " << 0;
		}
		cout << endl;
	}
	if (H % 2 == 0 && W % 2 == 1) {
		cout << H * (W - 1) << endl;
		for (int i = 0; i < H; i++) {
			cout << 1;
			for (int j = 1; j < W - 1; j++) {
				cout << " " << 1;
			}
			cout << " " << 0;
			cout << endl;
		}
	}
	if (H % 2 == 1 && W % 2 == 1) {
		if (H >= W) {
			cout << H * (W - 1) << endl;
			for (int i = 0; i < W; i++) {
				if (i != 0) cout << 1;
				else cout << 0;
				for (int j = 1; j < W; j++) {
					if (i != j) cout << " " << 1;
					else cout << " " << 0;
				}
				cout << endl;
			}
			for (int i = W; i < H; i++) {
				if (((i - W) / 2) % W != 0) cout << 1;
				else cout << 0;
				for (int j = 1; j < W; j++) {
					if (((i - W) / 2) % W != j) cout << " " << 1;
					else cout << " " << 0;
				}
				cout << endl;
			}
		}
		else {
			cout << (H - 1) * W << endl;
			for (int i = 0; i < H; i++) {
				if (i != 0) cout << 1;
				else cout << 0;
				for (int j = 1; j < H; j++) {
					if (i != j) cout << " " << 1;
					else cout << " " << 0;
				}
				for (int j = H; j < W; j++) {
					if (((j - H) / 2) % H != i) cout << " " << 1;
					else cout << " " << 0;
				}
				cout << endl;
			}
		}
	}
}