module blocking_nonblocking();

reg a,b,c,d;
// Blocking Assignment
initial begin
  #10 a = 0;
  #11 a = 1;
  #12 a = 0;
  #13 a = 1;
end

initial begin
  #10 b <= 0;
  #11 b <= 1;
  #12 b <= 0;
  #13 b <= 1;
end

initial begin
   c = #10 0;
   c = #11 1;
   c = #12 0;
   c = #13 1;
end

initial begin
   d <= #10 0;
   d <= #11 1;
   d <= #12 0;
   d <= #13 1;
end

initial begin
  $monitor("TIME = %g A = %b B = %b C = %b D = %b",$time, a, b, c, d);
  #50 $finish;
end

endmodule