#include<iostream>
using namespace std;

main(){
    int coba;
    cin>>coba;
    for (int i=0; i<coba; i++) {
        int h,c,m,o,a;
        cin>>h; cin>>c; cin>>m; cin>>o; cin>>a;
        int mario=0, mons=0, obat=0;
        // obat>damage monster
        if (m<=a){
            while ((o>0) && (h>0)) {
                o=o-c;
                mario++;
                h=h-a;
                mons++;
                if (h<=0) {
                    cout<<"IMPOSSIBLE"<<endl;
                } else if (o<=0) {
                    cout<<"POSSIBLE"<<endl;
                    cout<<"SERANG "<<mario<<endl;
                    cout<<"OBAT "<<obat<<endl;
                }
            }
        } else if (m>a) {
            while (o>0){
                if (c>=o) {
                    o=o-c;
                    mario++;
                }
                else if (h>a) {
                    o=o-c;
                    mario++;
                    if (o<=0) break;
                    h=h-a;
                    mons++;
                } else if (h<=a) {
                    h=h+m;
                    obat++;
                    h=h-a;
                    mons++;
                }

            }
            cout<<"POSSIBLE"<<endl;
            cout<<"SERANG "<<mario<<endl;
            cout<<"OBAT "<<obat<<endl;
        }
    }

}