#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; int result = -1; for (int x = 1000; x <= 9999; ++x) { if (x % a == 0 && (x + 1) % b == 0 && (x + 2) % c_val == 0) { result = x; found = true; break; } } if (found) { cout << result << endl; } else { cout << "Impossible" << endl; } } return 0; }