//**********************************************
//test use catch(...) to call all exception
//***********************************************

#include <iostream>
using namespace std;

int main(){
	int val;	
	try{	
		cout<<"insert 1 2 or 3\n";
		cin>>val;	
		if(val==1) throw "error!";
		else if(val==2) throw 10;
		else if(val==3) throw 21.5;
		else cout<<"value .. "<<val<<endl;
	}
	catch(...){
		cout<<"value error!\n";
	}
	return 0;
}