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