process.stdin.resume();
process.stdin.setEncoding('utf-8');

let inputString = '';
let currentLine = 0;

process.stdin.on('data', inputStdin => {
    inputString += inputStdin;
});

process.stdin.on('end', _ => {
    inputString = inputString.trim().split('\n').map(string => {
        return string.trim();
    });
    
    main();    
});

function input() {
    return inputString[currentLine++];
}

function print(s) {
    console.log(s);
}

function main() {
    var n = input();
    var a = new String(input());
    a = a.split(' ');
    var tong=0;
    for (var i=0; i<n; i++){
        tong=tong+Number(a[i]);
    }
    print(tong);
}

$\color{green}{\text{Cần code Python, C/C++, Java, C# thì nói để mình thêm}}$

$\color{red}{\text{#Daoanhviet96}}$

uses crt;
 var a : array[1..100] of longint ;
n, i, s : longint ;
  begin
   clrscr;
    write('Nhap n: ');
     readln(n);
for i := 1 to n do
  begin
 write('a[',i,']=');
 readln(a[i]);
 s := s + a[i]
  end ;
    writeln('Tong  cac phan tu trong day la: ',s);
    end .