import java.util.Scanner;
public class R1 {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("请输入交费金额");
int a = input.nextInt();
double b =a-868.0;
System.out.println("**********消费单**********");
System.out.println("购买物品\\t单价\\t个数\\t金额");
System.out.println("登山包\\t¥198\\t1\\t¥198");
System.out.println("羽毛球\\t¥90\\t3\\t¥270");
System.out.println("羽毛球\\t¥400\\t1\\t¥400");
System.out.println("=========================");
System.out.println("消费总金额:868.0"+"\\n"+"实际交费:"+a+"\\n"+"找钱:"+b);
}
}
// \\t:空格。\\n:换行。
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
System.out.println("请输入一个小写字母");
String str =sc.next();
char n =str.charAt(0);
n=(char)(n-32);
System.out.println("该字母的大写字母为:"+n);
}
}