.text          # Text section of the program (as opposed to data).
      .globl main    # Make MAIN globl so you can refer to it in SPIM.
main:                # Program starts at MAIN.

      li    $v0, 5
      syscall

      move  $t0, $v0
      li    $v0, 5
      syscall

      add   $t0, $t0, $v0
      move  $a0, $t0
      li    $v0, 1
      syscall

      li    $v0, 10  # Prepare to exit...
      syscall        #   ... Exit.