#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define REP(i, n) for(int i = 0;i < n;i++) #define REPR(i, n) for(int i = n;i >= 0;i--) #define FOR(i, m, n) for(int i = m;i < n;i++) #define FORR(i, m, n) for(int i = m;i >= n;i--) #define SORT(v, n) sort(v, v+n); #define VSORT(v) sort(v.begin(), v.end()); #define llong long long #define pb(a) push_back(a) #define INF 999999999 using namespace std; typedef pair P; typedef pair LP; typedef pair PP; typedef pair LPP; int dy[] = { 0, 0, 1, -1, 0 }; int dx[] = { 1, -1, 0, 0, 0 }; int main(){ int n; cin>>n; if(n-7>0)cout<