#include <stdio.h>
int main()
{
	int i,n,num,min=100;
	scanf("%d",&n);       
	while(n<0||n>100)
	{
		scanf("%d",&n);
	}                           
	for(i=0;i<n;i++)
	{
	 scanf("%d",&num);   
	 while(num<0||num>1000)
	 {
		scanf("%d",&num);
	 }                  
	 if(num<min)
	 {
	 	min=num;
	 }
    }
    printf("%d",min);
	return 0;
}