GESP 1-4级 -- GESP 5-8级 -- CSP-J/S --

A8887. $Orange$

编程题普及/提高-

知识点

模拟循环结构条件判断

题目描述

![](/uploads/acgo/image/34e387f527d5ae8f_d98fde135331.jpeg)

输入格式

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.

输出格式

Output the required string.

输入输出样例

输入 #1

AprilFool
14

输出 #1

AprILFooL

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