Άσκηση 1.29

/*
#include<iostream>
using namespace std;
int main()
{
    int x, sum = 0, i = 0, num;
    cin >> x;
    do
    {
        cin >> num;
        sum += num;
        i++;
    }
    while(i < x);
    cout << sum;
    return 0;
}
*/
/*
#include<iostream>
using namespace std;
int main(){
    int x, sum=0, i=1, num;
    cin>>x;
    cin>>num;
    sum+=num;
    while(i<x){
        cin>>num;
        sum+=num;
        i++;
    }
    cout<<sum;
return 0;
}
*/

#include<iostream>
using namespace std;
int main(){
    int x, sum,i,num;
    cin>>x;
    for(i=0; i<x; i++){
        cin>>num;
        sum+=num;
    }
    cout<<sum;
return 0;
}