#include <iostream>
#include<iomanip>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
int main(int argc, char** argv) {
int a;
double b,c,price;
cout<<"輸入幾件藝術品"<<endl;
cin>>a;
for(int i=0;i<a;i++){
cin>>b>>c;
price=(c/b-1)*100;
if(price<=-7.00 || price>10.00){
cout<<fixed<<setprecision(2)<<price <<"%"<<"dispose"<<endl;
}else{
cout<<fixed<<setprecision(2)<<price <<"%"<<"keep"<<endl;
}
}
return 0;
}