#include <iostream>
#include <string>
#include <stdio.h>
#include <stdint.h>
#include <cassert>
using namespace std;

using ll = long long;

#define MAIN main
#define TYPE_OF( VAR ) remove_const<remove_reference<decltype( VAR )>::type >::type
#define UNTIE ios_base::sync_with_stdio( false ); cin.tie( nullptr ) 
#define CEXPR( LL , BOUND , VALUE ) constexpr const LL BOUND = VALUE 
#define CIN( LL , A ) LL A; cin >> A 
#define ASSERT( A , MIN , MAX ) assert( ( MIN ) <= A && A <= ( MAX ) ) 
#define CIN_ASSERT( A , MIN , MAX ) CIN( TYPE_OF( MAX ) , A ); ASSERT( A , MIN , MAX ) 
#define QUIT return 0 
#define COUT( ANSWER ) cout << ( ANSWER ) << "\n"; 
#define RETURN( ANSWER ) COUT( ANSWER ); QUIT 

template <typename INT>
INT GCD( const INT& b_0 , const INT& b_1 )
{

  INT b[2] = { b_0 , b_1 };
  int i_0 = ( b_0 >= b_1 ? 0 : 1 );
  int i_1 = 1 - i_0;

  while( b[i_1] != 0 ){

    b[i_0] %= b[i_1];
    swap( i_0 , i_1 );

  }

  return b[i_0];

}

int MAIN()
{
  UNTIE;
  CEXPR( ll , bound , 1000000000000000000 );
  CIN_ASSERT( N , 0 , bound );
  CIN_ASSERT( P , 2 , bound );
  RETURN( ++N % P == 0 ? "Yes" : GCD( N , P - 1 ) == 1 ? "No" : "Yes" );
}