#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
typedef int ElemType;
typedef struct LinkNode {
	ElemType data;
	LinkNode* next;
}LinkNode, * LinkList;
//尾插法建立单链表
void creatLinkList(LinkList& L) {
	L = (LinkNode*)malloc(sizeof(LinkNode));
	L->next = NULL;
	LinkNode* pTail = L;
	int num;
	while (scanf("%d", &num) && num != -1) {
		LinkNode* pnode = (LinkNode*)malloc(sizeof(LinkNode));
		pnode->data = num;
		pnode->next = pTail->next;
		pTail->next = pnode;
		pTail = pnode;
	}
}
//打印输出
void printLinkList(LinkList L) {
	LinkNode* pCur = L->next;
	while (pCur != NULL) {
		printf("%d ", pCur->data);
		pCur = pCur->next;
	}
}
//统计次数
int countNum(LinkList L, int num) {
	LinkNode* pCur = L->next;
	int count = 0;
	while (pCur != NULL) {
		if (pCur->data == num) {
			count++;
		}
		pCur = pCur->next;
	}
	return count;
}
int main() {
	LinkList L;
	creatLinkList(L);
	int num;
	scanf("%d", &num);
	//printLinkList(L);
	printf("%d在单链表中出现了%d次", num, countNum(L,num));
	return 0;
}