e-olymp
Competitions

December 2 - BMTK Programming School, Small League

Append three to positive integer

Positive integer n is given. Append to it the digit 3 from the left and from the right.

Input

One positive integer n (n109).

Output

Append to the number n the digit 3 from the left and from the right. Print the resulting number.

Time limit 1 second
Memory limit 128 MiB
Input example #1
2456
Output example #1
324563
Input example #2
56
Output example #2
3563