Asperant,
<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
* {
padding: 0;
margin: 0;
box-sizing: border-box;
}
.ad1 {
display: flex;
width: 200px;
height: 305px;
border: 1px solid #000;
margin: 30px;
flex-wrap: wrap;
}
.ad1 > * {
border: 1px solid #000;
}
.ad2 {
height: 42px;
width: 100%;
}
.ad3 {
height: 263px;
width: 27px;
}
.ad5 {
height: 263px;
width: 27px;
}
.ad4 { flex: 1;
height: 263px;
width: 136px;
}
</style>
</head>
<body>
<div class="ad1">
<div class="ad2"></div>
<div class="ad3"></div>
<div class="ad4"></div>
<div class="ad5"></div>
</div>
</body>
</html>