#include<stdio.h>
  int main(){
    int k,a,b;
    scanf("%d",&k);
    scanf("%d%d",&a,&b);
    
    int max = (b/k)*k;
    
    if (max>=a){
      printf("Yes");
    }
    else {
      printf("No");
    }
    return 0;
  }

    