#include <iostream> #include<iomanip> 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) { cout << i; } else { cout << "Impossible"; break; } } else { cout << "Impossible"; break; } } else { cout << "Impossible"; break; } } }