#include <iostream>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <numeric>
#include <functional>
#include <cmath>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <sstream>
#include <string>
#define repd(i,a,b) for (int i=(a);i<(b);i++)
#define rep(i,n) repd(i,0,n)
#define var auto
#define mod 1000000007
#define inf 2147483647
#define mp make_pair
#define pb push_back
typedef long long ll;
using namespace std;

template <typename T>
inline void output(T a, int p) {
    if(p){
        cout << fixed << setprecision(p)  << a << "\n";
    }
    else{
        cout << a << "\n";
    }
}
// end of template

int gcd(int a, int b){
    if (b == 0) {
        return a;
    }
    else return gcd(b, a % b);
}

int main() {
    cin.tie(0);
    ios::sync_with_stdio(0);
    // source code
    int N;
    cin >> N;
    vector<int> A(N);
    rep(i, N){
        cin >> A[i];
    }
    if (N == 1) {
        output(1, 0);
    }
    else{
        int now = A[0];
        repd(i, 1, N){
            now = gcd(now, A[i]);
        }
        output(100 / now, 0);
        
    }
    
    return 0;
}