题解

#include <iostream>
using namespace std;
int main(){
	int m, n;
	cin >> m >> n;
	char a;
	cin >> a;
	if(a == '+') cout << m + n;
	if(a == '-') cout << m - n;
	if(a == '*') cout << m * n;
	if(a == '/') cout << m / n;
	if(a == '%') cout << m % n;
	

return 0;
}