#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;
}