#include <stdio.h>
#include <stdlib.h>
int cmp(const void *a,const void *b)
{
		return *(long int *)a - *(long int *)b;
}
int main( void )
{
    long i, j, *cow, sets ;
    scanf("%d", &sets ) ;
    cow = ( long*)malloc(sizeof(long) );
    for( i = 0; i < sets; ++i )
     	scanf("%d", &cow[i] ) ;
    qsort( cow, sets, sizeof(long int), cmp) ;
    printf("%ld\n", cow[sets/2] ) ;
    return 0 ;
}