Problems
Append three to positive integer
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 (n ≤ 109
).
Output
Append to the number n the digit 3 from the left and from the right. Print the resulting number.
Input example #1
2456
Output example #1
324563
Input example #2
56
Output example #2
3563