// editor4
#include<stdio.h>
struct stu_det{
    int number;
};
int main(){
    int n;
    scanf("%d",&n);
    if(n<0){
        print("Invalid input");
        retunr 0;
    }
    struct stu_det arr[i];
    for(int i=0;i<n;i++){
        scanf("%d",&arr[i].number);
        if(i==3){
            continue;
        } 
        printf("%d",arr[i].number);
        
    }
}