#include<stdio.h>
void reverseArray(int *arr,int n){
    int*start=arr;
    int*end=arr+n-1;
    while(start<end)
    {
        int temp=*start;
        *start=*end;
        *end=temp;
        start++;
        end--
    }
}
int main()
{
    int n;
    scanf("%d",&n);
    if(n<=0)
    {
        printf("Invalid input");
        return 0;
    }
    int arr[n]
    for(int i=0;i<n;i++)
    {
        scanf("%d",&arr[i]);
    }
    for(int i=0;i<n;i++)
    {
        printf("%d",*(arr+i));
        return 0;
    }
        
}
}
}