The ABCs so far have had the following number of problems. - The $1$\-st through $125$\-th ABCs had $4$ problems each. - The $126$\-th through $211$\-th ABCs had $6$ problems each. - The $212$\-th through $214$\-th ABCs have $8$ problems each. Find the number of problems in the $N$\-th ABC.

Input is given from Standard Input in the following format: >$N$ #### Constraints - $1 \leq N \leq 214$ - All values in input are integers.

Print the answer.

AtCoder [ABC214A]