import?java.util.Scanner;




public?class?XiTi5?{

?class?IllegalTrianleException?extends?Exception{
	double?s1;
	double?s2;
	double?s3;

	?double?getL1()?{
			return?s1;
		}
		?
		?	?double?getL2()?{
			return?s2;
		}
			
			??	?
			?double?getL3()?{
			return?s3;
		}

		
	
	?IllegalTrianleException(double?l1,double?l2,double?l3)
	
	?{this.s1=s1;?}
	?{this.s2=s2;?}
	?{this.s3=s3;?}
	
		?
		public?class?Triangle
		?{
			?double?side1,side2,side3;
			?Triangle(double?s1,double?s2,double?s3)?throws?IllegalTrianleException
			?{
				?if(!(s1+s2>s3)&&(s1+s3>s2)&&(s2+s3>s1))
				?{
					?throw?new??IllegalTrianleException(s1,?s2,?s3);
				?}
				?
				?side1=s1;?side2=s2;?side3=s3;
				?
				?
			?}
		?
		?
		?}
?}

	public?static?void?main(String[]?args)?{
	
	XiTi5?t=new?XiTi5();
	
	
	Scanner?in=new?Scanner(System.in);
	System.out.println("請(qǐng)輸入三邊長(zhǎng)度");
	double?a=in.nextDouble();
	double?b=in.nextDouble();
	double?c=in.nextDouble();
???????
try{
	Triangle?d=new?Triangle(a);
	Triangle?e=new?Triangle?(b);
	Triangle?f=new?Triangle?(c);
}
catch(IllegalTrianleException?e)
{
	System.out.println(e.getMessage());

	}



	}
	
}