Orange
题目描述
D. Orange
time limit per test
2 secondsmemory limit per test
256 megabytesinput
standard inputoutput
standard output
Input
The first line of the input is a string (between 1 and 50 characters long, inclusive). Each character will be a letter of English alphabet, lowercase or uppercase.
The second line of the input is an integer between 0 and 26, inclusive.
Output
Output the required string.
Examples
Input
AprilFool
14
Output
AprILFooL
题目来源：fps-www.educg.net-codeforce-1-2833.xml.zip；FPS 共享题包，题包内第 2131 题。保留原作者与原赛事署名。