#include <stdio.h>
const double capaity = 1e-6;
int main()
{
    int goods, val, valn;
    scanf("%d", &goods);
    while (goods--)
{
    scanf("%d%d", &val, &valn);
    double rat = (double)(valn - val) / val * 100;
    if(rat >= 0.0)printf("%.2lf%% ",rat+capaity);
    else printf("%.2lf%% ",rat-capaity);
    if (rat >= 10.0 || rat <= -7.0) printf("dispose\n");
    else printf("keep\n");
 }
    return 0;
}