test2

#include <stdio.h>
int main()
{
	int a[10], b[10], c[10];
	int cur, i = 0, j = 0, k = 0, l = 0, m = 0, n = 0;
	char s;
	getchar();
	while (scanf("%d", &a[i]) == 1)
		i++;
	getchar();
	do{
		scanf("%d", &b[j]);
		s = getchar();
		j++;
	} while (s != '\n');
	while (k != i) {
		if (a[k] == b[l]) {
			c[m++] = a[k];
			k++;
			l++;
		}
		else if (a[k] < b[l]) 
			k++;
		else
			l++;
	}
	while (n != (m - 1)) {
		printf("%d ", c[n++]);
	}
	printf("%d", c[m - 1]);
}