#include <stdio.h>
int validate_checksum(int *mem, int n) {
// Write your XOR scan logic here
for(int i = 1; i < n-1; i++) {
mem[i] ^= mem[i-1];
}
return mem[n-1] == mem[n-2];
}
int main() {
int n, arr[100];
scanf("%d", &n);
for (int i = 0; i < n; i++) {
scanf("%d", &arr[i]);
}
int result = validate_checksum(arr, n);
printf("%d", result);
return 0;
}