AtCoder Beginner Contest 171 A - αlphabet

A - αlphabet

Time Limit: 2 sec / Memory Limit: 1024 MB

Score : 100 points

Problem Statement

An uppercase or lowercase English letter αα will be given as input. If αα is uppercase, print A; if it is lowercase, print a.

Constraints

• αα is an uppercase (A - Z) or lowercase (a - z) English letter.

Input

Input is given from Standard Input in the following format:

αα

Output

If αα is uppercase, print A; if it is lowercase, print a.

Sample Input 1 Copy

Copy

B

Sample Output 1 Copy

Copy

A

B is uppercase, so we should print A.

Sample Input 2 Copy

Copy

a

Sample Output 2 Copy

Copy

a

a is lowercase, so we should print a.

题意：输入一个字符，如果是大写字符输出 'A'，如果是小写字符输出 'a'

代码如下：

#include
using namespace std;
int main(void)
{
    char c;
    while(~scanf("%c",&c))
    {
        getchar();
        if(c>='a'&&c='A'&&c