Snack

Source: beecrowd

Version: Phuoc Hung OJ Extended

Problem Statement

A snack bar offers five item codes with unit prices: 1 costs R$4.00, 2 costs R$ 4.50, 3 costs R$5.00, 4 costs R$ 2.00, and 5 costs R$ 1.50. Given an item code and quantity, calculate the total price in Brazilian reais.

Input

One line contains integers ma and so_luong, the item code and quantity.

Output

Print one line in the exact format Total: R$ X.YY, with exactly two digits after the decimal point.

Subtasks

• Subtask 1 (20 points): 1 <= ma <= 2 and 1 <= so_luong <= 10.

• Subtask 2 (30 points): 1 <= ma <= 4 and 1 <= so_luong <= 100.

• Subtask 3 (50 points): 1 <= ma <= 5 and 1 <= so_luong <= 1000.

Examples

Example 1

Input

3 2

Output

Total: R$ 10.00

Explanation

Code 3 costs 5.00 each; 2 items cost 10.00, printed with two decimals.

Example 2

Input

2 3

Output

Total: R$ 13.50

Explanation

Code 2 costs 4.50 and 3 items cost 13.50.