#include<iostream>
using namespace std;
int main(){
int a[12]={31,28,31,30,31,30,31,31,30,31,30,31};
int year,m,d;
cin>>year>>m>>d;
if((year%4==0&&year%100!=0)||(year%400==0)){//如果是闰年
a[1] = 29;
if(0<d&& d<=a[m-1] && m>0 && m<=12)
cout<<"YES"<<endl;
else
cout<<"NO"<<endl;
}
else{
if(0<d&& d<=a[m-1] && 0<m && 12>=m)
cout<<"YES"<<endl;
else
cout<<"NO"<<endl;
}
return 0;
}