巫沛庭

#include<iostream>
#include<cstdlib>
using namespace std;
int main()
{
    int x=18;int y=4;
    cout <<"x+y="<<x+y<<endl;
    cout <<"x-y="<<x-y<<endl;
    cout <<"x*y="<<x*y<<endl;
    cout <<"x/y="<<x/y<<endl;
    cout <<"x%y="<<x%y<<endl;
   
    system("pause");
    return 0;
}