#include<stdio.h>
#include<stdlib.h>
typedef struct node{
    int data;
    struct node *next;
}Node;
Node *head=NULL,*tail;
int count=0;
int create(int num){
    Node newnode=(Node)malloc(1*sizeof(Node));
    newnode->data=num;
    newnode->next=NULL;
    count++;
    if(head==NULL){
        head=newnode;
        tail=newnode;
    }
    else{
        tail->next=newnode;
        tail=newnode;
    }
    
    return count;
}
int main(){
    int n,num;
    scanf("%d",&n);
    if(n<0){
        printf("Invalid Input");
        return 0;
    }
    for(int i=0;i<n;i++){
        scanf("%d",&num);
        create(num);
    }
    printf("%d",count);
    return 0;
}