At a new conveyor belt sushi restaurant, customers can take plates of sushi as they pass by.

• Each red plate costs $3
• Each green plate costs $4
• Each blue plate costs $5

Given the number of plates of each color that a customer takes, determine the total cost of their meal.

Input Format

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

Output Format Output a single non-negative integer — the total cost (in dollars).

Sample Input

0
2
4

Sample Output

28

Explanation: 0×3 + 2×4 + 4×5 = 28.