#include<bits/stdc++.h>
using namespace std;
#define sc cerr
#define qlog(x) {sc<<#x<<" = "<<(x)<<"\n";}
#define rep(i,l,r) for(ll i=(l);i<=(r);i++)
#define irep(i,l,r) for(ll i=(l);i>=(r);i--)
#define qloga(a,l,r) {sc<<#a<<" : "; rep(I,l,r){sc<<(a)[I]<<" ";}sc<<"\n";}
#define qlogSTL(a) {sc<<#a<<" : "; for(const auto &I:(a)){sc<<(I)<<" ";}sc<<"\n";}
typedef long long ll;
typedef unsigned long long ull;
 
signed main(){
    ios::sync_with_stdio(0); cin.tie(0);
 
    int T; cin>>T;
    while(T--)puts([&](){
        int n,m;
        cin>>n>>m;
        if(n==1 && m==0)return 0;
        if(n==2 && m==0)return 0;
        return 1;
    }()?"Possible":"Impossible");
}