// 嘘解法チェックその２
#include<bits/stdc++.h>
using namespace std;

#define UNTIE ios_base::sync_with_stdio( false ); cin.tie( nullptr ) 
#define TYPE_OF( VAR ) remove_const<remove_reference<decltype( VAR )>::type >::type
#define FOR( VAR , INITIAL , FINAL_PLUS_ONE ) for( TYPE_OF( FINAL_PLUS_ONE ) VAR = INITIAL ; VAR < FINAL_PLUS_ONE ; VAR ++ ) 
#define REPEAT( HOW_MANY_TIMES ) FOR( VARIABLE_FOR_REPEAT , 0 , HOW_MANY_TIMES ) 
#define CIN( LL , A ) LL A; cin >> A 
#define QUIT return 0 

int main()
{
  UNTIE;
  constexpr const int bound = 1000;
  CIN( int , H );
  assert( 2 <= H && H <= bound );
  CIN( int , W );
  assert( 2 <= W && W <= bound );
  W--;
  cout << "Yes\n";
  REPEAT( H ){
    REPEAT( W ){
      cout << 1 << " ";
    }
    cout << 1 << "\n";
  }
  QUIT;
}