#9215: 40ms
linhunghsiang
(呆瓜)
#include <iostream>
#include <cstdlib>
#include <ctime>
#include <string>
using namespace std;
int main(){
int i=0;
cin>>i;
while(i>=1){
i-=1;
long long int x,y;
int z;
cin>>z;
cin>>x;
cin>>y;
if(z==1){
cout<<x+y<<"\n";
}
else if(z==2){
cout<<x-y<<"\n";
}
else if(z==3){
cout<<x*y<<"\n";
}
else if(z==4){
cout<<x/y<<"\n";
}
}
return 0;
}