Quotient with Six Decimal Places

Version: Phuoc Hung OJ Extended

Problem Statement

Given real numbers $a$ and $b$ with $b\ne0$, compute the real quotient $q=\dfrac ab$. The result may be negative or fractional. Print it with exactly 6 decimal places; do not perform integer division.

Input

One line contains real numbers $a$ and $b$, in this order.

Output

Print the real quotient $a/b$ with exactly 6 decimal places.

Subtasks

• Subtask 1 (100 points): $|a|,|b|\le10^{12}$; $b\ne0$.

Examples

Example 1

Input

1 3

Output

0.333333

Explanation. Substituting 1, 3 into a / b gives approximately 0.333333333333. The required output formatting produces 0.333333.

Example 2

Input

10 4

Output

2.500000

Explanation. Substituting 10, 4 into a / b gives approximately 2.5. The required output formatting produces 2.500000.

Example 3

Input

-5 2

Output

-2.500000

Explanation. Substituting -5, 2 into a / b gives approximately -2.5. The required output formatting produces -2.500000.