#include using namespace std; int main() { int M; cin >> M; int ckorcinja[10] = {6, 3, 5, 5, 4, 5, 5, 3, 7, 5}; for(int i = 9999; i >= 1000; i -= 1) { int tmp = i; int potrebni_ckorcinja = 0; while(tmp > 0) { int cifra = tmp % 10; potrebni_ckorcinja += ckorcinja[cifra]; tmp /= 10; } if(potrebni_ckorcinja == M) { cout << i << endl; return 0; } } cout << -1 << endl; return 0; }