#include <iostream>
#include <stdio.h>
using namespace std;
int main() {
int x,y;
cout << "please input x and y:" << endl;
scanf("%d,%d",&x,&y);
cout << "x+y=" << x+y << endl;
cout << "x-y=" << x-y << endl;
cout << "x*y=" << x*y << endl;
cout << "x/y=" << x/y << endl;
return 0;
}