What will the following code display to the terminal?

module test1(i1,i2);

input i1, i2; reg [31:0] a; always @(i1) begin #1 a = 1; #5 a = a + 1; #5 a = a + 2; end initial begin $monitor ($time, "\t a = %d", a); a = 2; end endmodule module testtest1(); reg i1, i2; test1 t1(i1,i2); initial begin i1 = 1; #2 i1 = 0; #10 $finish; end endmodule