AtCoder Beginner Contest 171 A

A - αlphabet

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Time Limit: 2 sec / Memory Limit: 1024 MB

Score : $100$ points

Problem Statement

An uppercase or lowercase English letter $\mathrm{\alpha \alpha }$ will be given as input. If $\mathrm{\alpha \alpha }$ is uppercase, print A; if it is lowercase, print a.

Constraints

• $\mathrm{\alpha \alpha }$ is an uppercase (A - Z) or lowercase (a - z) English letter.

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Input

Input is given from Standard Input in the following format:

$\alpha \alpha$

Output

If $\mathrm{\alpha \alpha }$ is uppercase, print A; if it is lowercase, print a.

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Sample Input 1 Copy

Copy

B

Sample Output 1 Copy

Copy

A

B is uppercase, so we should print A.

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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<cstdio>
using namespace std;
int main(void)
{
    char c;
    while(~scanf("%c",&c))
    {
        getchar();
        if(c>='a'&&c<='z')
        puts("a");
        else //if(c>='A'&&c<)
        puts("A");
    }
    return 0;
 }