#include<stdio.h>
int main(){
  int t_a,t_h,a_a,a_h;
  int win;
  while(1){
    a_h=a_h-t_a;
    if(a_h<=0){
      win=1;
      break;
    }
    t_h=t_h-a_a;
    if(t_h<=0){
      win=0;
      break;
    }
  }
  if(win){
    printf("Yes");
  }else{
    printf("No");
  }
  return 0;
}