Area

Time limit1sMemory limit1024 MB

Summary

Given n frames with heights and widths, the task is to print the largest area h times w among them.

Level: Easy1 of 10
Topics: Implementation
Solved: No attempts yet

Problem

Stuart has $n$ rectangular frames, numbered from 1 to $n$ . Frame $i$ has height $h_i$ and width $w_i$ . The size of a frame is the area it covers. Find the area covered by the largest frame Stuart has.

Input

The first line contains a single integer $n$ . Each of the next $n$ lines contains two space-separated integers $h_i$ and $w_i$ , the height and width of frame $i$ .

Output

Print one integer, the area covered by the largest frame.

Constraints

$1 \le n \le 100$

$1 \le h_i, w_i \le 1000$

Examples2

Example 1
Input
```
3
5 9
19 4
8 10
```
Expected output
```
80
```
Example 2
Input
```
5
8 2
4 9
3 8
1 7
9 4
```
Expected output
```
36
```