#PCBTAM0000019. Hai ký tự từ hai mã Unicode (Two Characters from Code Points)

Hai ký tự từ hai mã Unicode (Two Characters from Code Points)

Two Characters from Code Points

Version: Phuoc Hung OJ Extended

Problem Statement

Given two integers aa and bb, each representing a valid Unicode code point, convert each integer to its corresponding character and concatenate the characters in the order aa then bb.

The result must contain two adjacent characters. Do not add the code point values or insert a space.

Input

One line contains two decimal integers aa and bb separated by whitespace.

Output

Print the character with code point aa immediately followed by the character with code point bb.

Subtasks

  • Subtask 1 (100 points): a,ba,b belong to [33,126][33,126] or are code points of characters in ĐắkLắkHàNộiBìnhAnViệtNamΩ€中.

Examples

Example 1

Input

65 66

Output

AB

Explanation. Code points 6565 and 6666 map to A and B, producing AB.

Example 2

Input

272 65

Output

ĐA

Explanation. 272272 maps to Đ and 6565 to A, producing ĐA.

Example 3

Input

48 49

Output

01

Explanation. 4848 and 4949 map to digit characters 0 and 1, producing 01, not their numeric sum.