#include #include using namespace std; //#include //using namespace atcoder; using ll = long long; using vll = vector; using vvll = vector; using vvvll = vector; using vvvvll = vector; using vvvvvll = vector; using vvvvvvll = vector; using vb = vector; using vvb = vector; using vvvb = vector; using vvvvb = vector; using vd = vector; using vvd = vector; using vvvd = vector; using vvvvd = vector; using vvvvvd = vector; #define all(A) A.begin(),A.end() #define ALL(A) A.begin(),A.end() #define rep(i, n) for (ll i = 0; i < (ll) (n); i++) using pqr = priority_queue, vector>, greater>>; template bool chmax(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p < q) { p = q; return 1; } else { return 0; } } template bool chmin(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p > q) { p = q; return 1; } else { return 0; } } ll gcd(ll(a), ll(b)) { if (b == 0)return a; ll c = a; while (a % b != 0) { c = a % b; a = b; b = c; } return b; } struct dsu { public: dsu() : _n(0) {} dsu(int n) : _n(n), par_size(n, -1) {} int merge(int a, int b) { int x = leader(a), y = leader(b); if (x == y) return x; if (-par_size[x] < -par_size[y]) swap(x, y); par_size[x] += par_size[y]; par_size[y] = x; return x; } int merge(pair p) { int a=p.first; int b=p.second; int x = leader(a), y = leader(b); if (x == y) return x; if (-par_size[x] < -par_size[y]) swap(x, y); par_size[x] += par_size[y]; par_size[y] = x; return x; } bool same(int a, int b) { return leader(a) == leader(b); } bool same(pair p) { int a=p.first; int b=p.second; return leader(a) == leader(b); } int leader(int a) { if (par_size[a] < 0) return a; return par_size[a] = leader(par_size[a]); } int size(int a) { return -par_size[leader(a)]; } vector> groups() { std::vector leader_buf(_n), gr_size(_n); for (int i = 0; i < _n; i++) { leader_buf[i] = leader(i); gr_size[leader_buf[i]]++; } std::vector> res(_n); for (int i = 0; i < _n; i++) { res[i].reserve(gr_size[i]); } for (int i = 0; i < _n; i++) { res[leader_buf[i]].push_back(i); } res.erase( remove_if(res.begin(), res.end(), [&](const vector& v) { return v.empty(); }), res.end()); return res; } private: int _n; vector par_size; }; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); ll N; cin>>N; if(N==0){ cout<<0<0){ AN=char('0'+N%7)+AN; N/=7; } cout<