题解

#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b,c,x,n;
    cin>>x;
    for(int j=1;j<=x;j++){
        cin>>a>>b>>c;
        n=0;
        for(int i=1000;i<=9999;i++){
            if(i%a==0&&(i+1)%b==0&&(i+2)%c==0){
                cout<<i<<endl;
                n++;
                break;
            }
        }
        if(n==0) cout<<"Impossible"<<endl;
    }
    return 0;
}