Bake Sale Income Calculation

You are given the number of cookies (c), brownies (b), and cupcakes (k) sold at a bake sale. Each cookie is priced at $2, each brownie at $3, and each cupcake at $4.

Your task is to calculate the total income from the bake sale.

The total income is computed using the formula:

$$\text{Total Income} = 2c + 3b + 4k$$

Read the input from standard input and output the result to standard output.

inputFormat

The input consists of a single line containing three integers c, b, and k, separated by spaces, representing the number of cookies, brownies, and cupcakes sold, respectively.

outputFormat

Output a single integer which is the total income computed as 2c + 3b + 4k.

## sample

0 0 0

0

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