#include <iostream> #include <cstdio> #include <algorithm> #include <string> #include <cstring> #include <cctype> #include <cmath> #include <stack> #include <queue> #include <vector> #include <set> #include <map> #include <list> #include <stdio.h> #include <string.h> #include <cstdlib> #include <math.h> #include <bitset> #include <iterator> #include <iomanip> #include <sstream> #define INF 2000000000 using namespace std; int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1}; #define sym cout<<"---------"<<endl; #define ll long long #define PL pair<long long, long long> #define P pair<int,int> #define mk make_pair #define en endl #define WHITE 0 #define BLACK 2 #define GRAY 1 #define RE return 0 #define int ll signed main(){ int n; cin>>n; int c[105]; int ans=0,cnt=0; for(int i=0; i<n; i++){ cin>>c[i]; cnt+=c[i]; } for(int i=0; i<n; i++){ if(c[i]<=cnt/10) ans+=30; } cout<<ans<<en; }