#include <iostream>
#include <list>
#include <vector>
#include <string>
#include <stdio.h>
#include <stdint.h>
#include <iomanip>
using namespace std;

using uint = unsigned int;
using ll = long long;

#define CIN( LL , A ) LL A; cin >> A 
#define GETLINE( A ) string A; getline( cin , A ) 
#define FOR_ITR( ARRAY , ITR , END ) for( auto ITR = ARRAY .begin() , END = ARRAY .end() ; ITR != END ; ITR ++ ) 

int main()
{

  CIN( ll , Y );
  CIN( ll , M );
  CIN( ll , D );
  bool b;

  if( Y < 1989 ){

    b = false;

  } else if( Y == 1989 ){

    if( M == 1 ){

      if( D < 8 ){

	b = false;

      } else {

	b = true;

      }

    } else {

      b = true;

    }

  } else if ( Y < 2019 ){

    b = true;

  } else if( Y == 2019 ){

    if( M <= 4 ){

      b = true;

    } else {

      b = false;;

    }

  } else {

    b = false;

  }
  
  const string answer = ( b ?  "Yes" : "No" );
  cout << answer << endl;
  return 0;

}