#include <iostream>
using namespace std;
int32_t a,b;
char wybor;
int main()
{
for(;;)
{
cin>>wybor>>a>>b;
switch(wybor)
{
case '+':cout<<a+b<<endl;break;
case '-':cout<<a-b<<endl;break;
case '*':cout<<a*b<<endl;break;
case '/':cout<<a/b<<endl;break;
case '%':cout<<a%b<<endl;break;
}
}
return 0;
}
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