<!DOCTYPE html>
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<html>
    <head>
        <title>NUMBER ROUNDER</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <script>
          var input = prompt("Enter a number.");
          var decimal = input - Math.trunc(input);
          var output;
          if (decimal > .5) {
              output = Math.trunc(input) + 1;
              var round = "up";
          } else {
              output = Math.trunc(input);
              var round = "down";
          }
          document.write(input + " rounded " + round + " is " + output);
        </script>
    </head>
</html>