package jay;

import java.util.Scanner;

public class jisuanqi {

	public static void main(String[] args) {
		int m,n;
		String fuhao;
		System.out.println("请输入两个数:");
		Scanner input=new Scanner(System.in);
		if(input.hasNextInt()==true){
		m=input.nextInt();
		n=input.nextInt();
		System.out.println("请输入你要选择的运算符号:");
		fuhao=input.next();
		switch(fuhao){
		case "+":
			System.out.println("两个数的和为:"+(m+n));
			break;
		case "-":
			System.out.println("两个数的差为:"+(m-n));
			break;
		case "*":
			System.out.println("两个数的积为:"+(m*n));
			break;
		case "/":
			System.out.println("两个数的商为:"+(m/n));
			break;
		}
		}else{
			System.out.println("请输入正确的数字！");
		}
	}

}