#include<stdio.h>
#include<stdlib.h>
struct node{
    int data;
    struct node*next;
};
int main(){
    int n;
    scanf("%d",&n);
    if(n<0){
        printf("Invalid input");
        return
    }
    struct node *head=NULL;
    int value;
    for(int i=0;i<n;i++){
        scanf("%d",&value);
        struct node *newnode=(struct node*)malloc(sizeof(struct node));
        newnode ->data=value;
    }
    printf("%d " ,n);
    return 0;
}