#include<iostream> using namespace std; int main(){ int t,a,b,c; cin>>t; for(;t>0;t--){ int delta=0,i=1000; cin>>a>>b>>c; for(;i<9999;i++){ if(i%a==0&&(i+1)%b==0&&(i+2)%c==0){ delta=i; break; } } if(delta!=0) cout<<i; else cout<<"Impossible"; cout<<endl; } return 0; }