#include using namespace std; typedef long long ll; typedef long double ld; #define REP(i, n) for (int i = 0; i < (n); ++i) #define REPR(i, n) for (int i = n - 1; 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 ALL(v) (v).begin(),(v).end() #define ALLR(v) (v).rbegin(),(v).rend() #define fi first #define se second #define PB push_back #define EB emplace_back using P = pair; template using PQ = priority_queue; template using QP = priority_queue,greater>; templatevoid debug(const T &v,ll h,ll w){for(ll i=0;ivoid debug(const T &v,ll n){for(ll i=0;ivoid debug(const vector&v){debug(v,v.size());} templatevoid debug(const vector>&v){for(auto &vv:v)debug(vv,vv.size());} templatevoid debug(stack st){while(!st.empty()){cout<void debug(queue st){while(!st.empty()){cout<void debug(deque st){while(!st.empty()){cout<void debug(PQ st){while(!st.empty()){cout<void debug(QP st){while(!st.empty()){cout<void debug(const set&v){for(auto z:v)cout<void debug(const multiset&v){for(auto z:v)cout<void debug(const array &a){for(auto z:a)cout<void debug(const map&v){for(auto z:v)cout<<"["<bool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b> s; int n=s.size(); reverse(ALL(s)); bool can=true,f=false; REP(i,n){ int p=s[i]-'0'; if(!i){ if(p!=2&&p!=3&&p!=4) can=false; } else{ if(!f){ if(p==7||p==8) f=true; else{ if(p==1){ if(i!=n-1) can=false; f=true; } else if(p!=3&&p!=4&&p!=5) can=false; } } else{ if(p!=6&&p!=7) can=false; if(p==1){ if(i!=n-1) can=false; } } } } cout << (can&&f?"Yes":"No") << endl; }