10000000 10000000

#include<bits/stdc++.h>
using namespace std;
#define endl '\n'
#define pb push_back
#define fst first
#define scd second
#define rep(i,s,e) for(int i=s;i<=e;i++)
#define dep(i,s,e) for(int i=s;i>=e;i--)

using ll=long long;
using pii=pair<int,int>;
using pll=pair<ll,ll>;

const int maxn=2e5+10;

ll a[maxn];
// #define getchar() (p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, 1 << 21, stdin), p1 == p2) ? EOF : *p1++)
char buf[1 << 23], *p1 = buf, *p2 = buf;
inline ll read()
{
    ll x = 0;
    bool w = 0;
    char ch = (p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, 1 << 21, stdin), p1 == p2) ? EOF : *p1++);
    while ((ch < '0' || ch > '9') && (ch ^ 45) && (ch ^ -1))
        ch = (p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, 1 << 21, stdin), p1 == p2) ? EOF : *p1++);
    (!(ch ^ 45) && (w = 1, (ch = (p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, 1 << 21, stdin), p1 == p2) ? EOF : *p1++))));
    while (ch >= '0' && ch <= '9') {
        x = (x << 3) + (x << 1) + (ch ^ 48);
        ch = (p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, 1 << 21, stdin), p1 == p2) ? EOF : *p1++);
    }
    w && (x = -x);
    return x;
}
void solve(){
	int n=read();
	ll ans=0;
	rep(i,1,n) ans+=read();
	cout<<ans;
}
int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int t=1;
	//cin>>t;
	while(t--) solve();
    return 0;
}

#include<cstdio>
using namespace std;
char obuf[1<<20], *O = obuf;
int cnt;char ch[]=" 000000001";
int main(){
    int l=1e7;
    cnt=10;
   	while(cnt--) *O++=ch[cnt];
	while(l--) fwrite(obuf, 10, 1, stdout);
}