#include<iostream> using namespace std; int main(){ int c; cin>>c; while(c--){ int a,b,c_val; cin>>a>>b>>c_val; bool found = false; for(int x = 1000;x <= 9999;x++){ if(x%a == 0 && (x+1)%b == 0 && (x+2)%c_val == 0){ cout<<x<<endl; found = true; break; } } if(!found){ cout<<"Impossible"<<endl; } } return 0; }