#include<stdio.h>
#include<string.h>
#define MAX 100000
int main()
{
int i = 0;
int n;
scanf("%d\n",&n);
char a[MAX];
char b[MAX];
scanf("%s\n%s",a,b);
int c = strlen(b) - 1;
for (i = 0 ; i < n; i++) {
if (a[0 + i] != b[c - i]) {
printf("%s and %s are not reverse.", a, b);
break;
}
}
if (i == n) {
printf("%s and %s are reverse.",a,b);
}
return 0;
}