import java.util.Scanner;

public class N339
{
	public static void main(String[] args)
	{
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt();
		int[] x=new int[n];
		for(int i=0;i<n;i++)
		{
			x[i]=sc.nextInt();
		}
		int k=1;
		int end=0;
		while(true)
		{
			for(int i=0;i<n;i++)
			{
				if(x[i]*k%100==0)
				{
					end=1;
				}
				else
				{
					end=0;
					break;
				}
			}
			if(end==1){break;}
			k++;
		}
		System.out.println(k);
	}

}