#include<bits/stdc++.h> using namespace std; int main(){ int n; cout<<"若a为正整数，b为负整数，则|a-b|+|b-a|等于（ ）（2分）1: 0 2: a+b 3: 2a 4: -2b "<<endl;

cin>>n;
if(n==2){
	for(int i=0;i>=-1;i++){
		cout<<"太棒了，答对了!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! "; 
	}  

} else{ for(int i=0;i>=-1;i++){ cout<<"傻逼,这都不会!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! "; }
} return 0; }