PROGRAMMING:Calculate the perimeter and area of a rectangle

Enter the length and width of the rectangle, and calculate the perimeter and area of the rectangle.
###Input format:
Give two integers on one line.
###Output format:
Two lines.
The perimeter of the first line rectangle.
The area of the rectangle in the second row.
###Input example:
```in
7 3
```
###Output example:
```out
C = 20
S = 21
```







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