#include<iostream> #include<string> #include<iomanip> #include<cmath> #include<vector> #include<algorithm> using namespace std; #define int long long #define rep(i,n) for(int i = 0; i < (n); i++) #define INF (long long)(1e18) #define MOD (int)(1e9+7) #define yn(f) ((f)?"Yes":"No") #define YN(f) ((f)?"YES":"NO") signed main(){ cout<<fixed<<setprecision(7); bool flag = false; int Y, M, D; cin>>Y>>M>>D; if(1989 <= Y && Y <= 2019){ if(Y == 1989){ if(M == 1){ if(D >= 8) flag = true; } else flag = true; } else if(Y == 2019){ if(M <= 4)flag = true; } else flag = true; } cout<<yn(flag)<<endl; return 0; }