解

#include"cstdio"
int ac_num(int n){
while(n%20){n/=2;}
while(n%30){n/=3;}
if(n==1){return true;}else{return false;}
}
int main(){
int n;
scanf("%d",&n);
for(int i=2;i<=n;i++){
if(ac_num(i)){
printf("%d ",i);
}
}
}