c++

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a,s;
	char d;
	cin>>a>>d>>s;
	if(d=='+')
	{
		cout<<a+s;
	}
	else if(d=='-')
	{
		cout<<a-s;
	}
	else if(d=='*')
	{
		cout<<a*s;
	}
	else if(d=='/')
	{
		cout<<a/s;
	}
	else if(d=='%')
	{
		cout<<a%s;
	}
	return 0;
}