text: /******************************************************************************
                                Online C++ Compiler.
                 Code, Compile, Run and Debug C++ program online.
  Write your code in this editor and press "Run" button to compile and execute it.
  *******************************************************************************/
  
  #include <iostream>
  
  using namespace std;
  
  int main()
  
  {
  
      int row,column;
  
      cin>>row>>column;
  
      int sum=(row+column+1)/2;
  
      for(int i=1;i<=row;i++)
  
      {
  
          for(int j=1;j<=column;j++)
  
          {
  
              if(i==j)
  
              {
  
                  cout<<i;
  
              }
  
              else if(j==(sum+1-i+1)|| j==(sum+1+i-1))
  
              {
  
                  cout<<j;
  
              }
  
              else{
  
                   cout<<" ";
  
              }
  
          }
  
          cout<<endl;
  
      }
  
      return 0;
  
  }
  