Canadian Computing Competition: 2024 Stage 1, Junior #1

There is a new conveyor belt sushi restaurant in town. Plates of sushi travel around the restaurant on a raised conveyor belt and customers choose what to eat by removing plates.

Each red plate of sushi costs ~$3~, each green plate of sushi costs ~$4~, and each blue plate of sushi costs ~$5~.

Your job is to determine the cost of a meal, given the number of plates of each colour chosen by a customer.

Input Specification

The first line of input contains a non-negative integer, ~R~, representing the number of red plates chosen. The second line contains a non-negative integer, ~G~, representing the number of green plates chosen. The third line contains a non-negative integer, ~B~, representing the number of blue plates chosen.

Output Specification

Output the non-negative integer, ~C~, which is the cost of the meal in dollars.

Sample Input

0
2
4

Output for Sample Input

28

Explanation of Output for Sample Input

This customer chose ~0~ red plates, ~2~ green plates, and ~4~ blue plates. Therefore, the cost of the meal in dollars is ~0 \times 3 + 2 \times 4 + 4 \times 5 = 28~.