#include <stdio.h>
typedef struct {
int buffer[10];
int head;
int tail;
int count;
int capacity;
} CircularBuffer;
// Write your logic inside this function
void peek_bytes(CircularBuffer *cb, int n) {
int peek= cb->tail;
int c=cb->count;
for(int i=0;i<n;i++){
if(c>0){
printf("%d",cb->buffer[peek]);
peek=(peek+1)%10;
c--;
}
else {printf("NULL");}
if(i<n-1){printf(" ");}
}
}
int main() {
CircularBuffer cb = {
.buffer = {10, 20, 30, 40, 50, 60, 70, 80, 90, 100},
.head = 3,
.tail = 7,
.count = 6,
.capacity = 10
};
int n;
scanf("%d", &n);
peek_bytes(&cb, n);
return 0;
}