题解

#include<iostream>
using namespace std;
int main(){
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        int a,b,c;
        cin>>a>>b>>c;
        bool flag=0;
        for(int j=1000;j<=9999;j++){
            if(j%a==0&&(j+1)%b==0&&(j+2)%c==0){
                cout<<j<<"\n";
                flag=1;
                break;
            }
        }
        if(flag==0){
            cout<<"Impossible"<<"\n";
        }
    }
    return 0;
}