#include <bits/stdc++.h>
using namespace std;
vector<int> gen(int n) {
  vector<int> ret(n);
  if (n == 1) {
    ret[0] = 1;
  } else if (n == 2) {
    ret[0] = 3;
    ret[1] = 4;
  } else if (n % 2 == 0) {
    for (int i = 0; i < n - 1; i++) ret[i] = 1;
    ret[n - 1] = n / 2 - 1;
  } else {
    for (int i = 0; i < n - 2; i++) ret[i] = 1;
    ret[n - 2] = 2;
    ret[n - 1] = n / 2 + 1;
  }
  return ret;
}
int main() {
  int n, m;
  cin >> n >> m;
  vector<int> a = gen(n);
  vector<int> b = gen(m);
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < m; j++) {
      printf("%d", a[i] * b[j]);
      if (j < m - 1) printf(" ");
    }
    printf("\n");
  }
  return 0;
}
