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Competitions

PP2. Week 5: April 5 - 11

From base 10 to base 13

Number n is given in decimal system. Convert it into base 13.

Input

One integer n (1n1000).

Output

Print number n in base 13.

Time limit 1 second
Memory limit 128 MiB
Input example #1
1
Output example #1
1
Input example #2
10
Output example #2
A