#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; typedef long long ll; typedef vector vl; typedef vector vvl; typedef vector vc; typedef vector vs; typedef vector vb; typedef vector vd; typedef pair P; typedef pair pii; typedef vector

vpl; typedef tuple tapu; #define rep(i,n) for(int i=0; i<(n); i++) #define REP(i,a,b) for(int i=(a); i<(b); i++) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() const int inf = 1<<30; const ll linf = 1LL<<62; const int MAX = 510000; ll dy[8] = {1,-1,0,0,1,-1,1,-1}; ll dx[8] = {0,0,1,-1,1,-1,-1,1}; const double pi = acos(-1); const double eps = 1e-7; template inline bool chmin(T1 &a,T2 b){ if(a>b){ a = b; return true; } else return false; } template inline bool chmax(T1 &a,T2 b){ if(a inline void print(T &a){ rep(i,a.size()) cout << a[i] << " "; cout << "\n"; } template inline void print2(T1 a, T2 b){cout << a << " " << b << "\n";} template inline void print3(T1 a, T2 b, T3 c){ cout << a << " " << b << " " << c << "\n"; } ll pcount(ll x) {return __builtin_popcountll(x);} const int mod = 1e9 + 7; //const int mod = 998244353; int main(){ ll n,k; cin >> n >> k; vl a(k); rep(i,k) cin >> a[i]; vl b(k); b[0] = min(a[0],12LL); REP(i,1,k){ b[i] = b[i-1] + min(a[i] - a[i-1], 12LL); } vb dp(2020,true); rep(i,k) dp[b[i]] = false; for(int i=2000; i>=2; i--){ if(!dp[i]){ if(i-4 >= 1 && !dp[i-1]){ dp[i-4] = false; } if(i-5 >= 1 && !dp[i-3]){ dp[i-5] = false; } if(i-6 >= 1 && !dp[i-5]){ dp[i-6] = false; } } } if(dp[1]) cout << "Yes" << "\n"; else cout << "No" << "\n"; }