<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>利润</title>
<script type="text/javascript">
var money = 1000;
var count = 0;
while(money <= 5000){
money *= 1.05;
count++;
}
console.log(count);
</script>
</head>
<body>
</body>
</html>
