Formatted Family and Given Name

Source: Phước Hưng OJ

Version: Phuoc Hung OJ Extended

Problem Statement

Given a family name and a given name on separate lines, join them as family, given with exactly one inserted comma and one inserted space. Preserve both inputs.

Input

Line 1: family name; line 2: given name.

Output

One line containing family name, comma, space and given name.

Subtask

• Subtask 1 — 100 points: Each line contains 1–50 Unicode code points without line breaks.

Example

Input

Nguyen
An

Output

Nguyen, An

Explanation

Concatenating Nguyen, , and An gives Nguyen, An.