#include<bits/stdc++.h>
using namespace std;
int main(){
int a,b,c;
cin>>a>>b;
//c=a/b 【捕获异常】try{}catch{}
try{
if(b==0){
throw "除数不能等于零";
}
c=a/b;
cout<<"运算结果:a/b="<<c<<endl;
}catch(const char* e){ //捕获【异常】const char*型
cerr<<"异常捕获:"<<e<<endl;
}
return 0;
}