Append three to positive integer
Execution time limit is 1 second
Runtime memory usage limit is 128 megabytes
Positive integer n is given. Append to it the digit 3 from the left and from the right.
Input
One positive integer n (n ≤ 10^9).
Output
Append to the number n the digit 3 from the left and from the right. Print the resulting number.
Examples
Input #1
Answer #1
Input #2
Answer #2
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