AtCoder *** Contest

Snuke is going to open a contest named "AtCoder s Contest". Here, s is a string of length 1 or greater, where the first character is an uppercase English letter, and the second and subsequent characters are lowercase English letters.

Snuke has decided to abbreviate the name of the contest as "AxC". Here, x is the uppercase English letter at the beginning of s.

Given the name of the contest, print the abbreviation of the name.

Constraints

• The length of s is between 1 and 100, inclusive.
• The first character in s is an uppercase English letter.
• The second and subsequent characters in s are lowercase English letters.

Input

The input is given from Standard Input in the following format:

AtCoder s Contest

Output

Print the abbreviation of the name of the contest.

Examples

Input

AtCoder Beginner Contest

Output

ABC

Input

AtCoder Snuke Contest

Output

ASC

Input

AtCoder X Contest

Output

AXC

inputFormat

Input

The input is given from Standard Input in the following format:

AtCoder s Contest

outputFormat

Output

Print the abbreviation of the name of the contest.

Examples

Input

AtCoder Beginner Contest

Output

ABC

Input

AtCoder Snuke Contest

Output

ASC

Input

AtCoder X Contest

Output

AXC

样例

AtCoder Beginner Contest

ABC