n">k</span>
<span class="c">!</span>
<span class="c">!     CHECK THE INPUT ARGUMENTS FOR ERRORS</span>
<span class="c">!</span>
<span class="w">      </span><span class="k">IF</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">M</span><span class="o">&lt;</span><span class="mi">1</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">THEN</span>
<span class="k">         WRITE</span><span class="w"> </span><span class="p">(</sp