#include <iostream>
#include <cmath>
using namespace std;

int main()
{
    int n;
    cout<<"Enter the size of array = ";
    cin>>n;
    int x[n];
    for(int i=0;i<n;i++){
    cin>>x[i];
    }
    cout<<"Binary Number = ";
    for(int i=0;i<n;i++){
    cout<<x[i];
    }
    cout<<endl;
    int sum = 0;
    cout<<"Sum of the Binary Number to Decimal Number = ";
    for(int i=0;i<n;i++){
            sum =sum + x[i] * pow(2,n-1-i);
    }
    cout<<sum;
    return 0;
}