#include<stdio.h>
int main(){
int n,i;	
scanf("%d",&n);
int ai[n];	
for(i=0;i<n;i++){
	scanf("%d",&ai[i]);
}	
printf("%d\n",n);	

for(i=n-1;i>=0;i--){
	printf("%d ",ai[i]);
}	
return 0;	
	
	
	
}