#include <stdio.h>
void swap(int *a, int *b)
{
int temp = *a;
*a = *b;
*b = temp;
}
int main()
{
int n1, n2;
scanf("%d%d",&n1, &n2);
if (n1 > n2) swap(&n1, &n2);
while(scanf("%d",&check) == 1 && check != -1)
{
if (check > 0)
{
if (n2 < 0) n2 = check;
else if (n1 < 0) n1 = check;
else if (check < n1)
{
n2 = n1;
n1 = check;
}
else if (check < n2)
{
n2 = check;
}
}
}
printf("%d %d\n", n1, n2);
return 0;
}