#include <stdio.h>
#include <stdlib.h>

int n1 [105], n2 [105], ans [210];

void
mult (void);

int
main (void)
{
	char s [300];
	int i, j, f;

	while (fgets (s, 300, stdin)) {
		for (i = 0 ; i < 105; i++) {
			n1 [i] = n2 [i] = ans [i] = 0;
			ans [2 * i] = 0;
			ans [2 * i + 1] = 0;
		}

	
		j = 104;

		for (i = strlen (s) - 2; i >= 0; i--) {
			n1 [j--] = s [i] - '0';
		}

/*printf ("%d%d%d\n", n1 [102], n1 [103], n1 [104]);
*/

		fgets (s, 300, stdin);
		j = 104;

		for (i = strlen (s) - 2; i >= 0; i--) {
			n2 [j--] = s [i] - '0';
		}

/*printf ("%d%d%d\n", n2 [102], n2 [103], n2 [104]);
*/

		mult ();
		f = 0;

		for (i = 0; i <= 209; i++) {
			if (!f && ans [i] != 0)
				f = 1;

			if (f)
				printf ("%d", ans [i]);
		}

		printf ("\n");

	}

	return 0;	
}

void
mult (void)
{
	int i, j, start, k, c;
	int o, d;

	start = 209;

	for (i = 104; i >= 0; i--) {
		k = start;

		for (j = 104; j >= 0; j--) {
			ans [k--] += (n1 [i] * n2 [j]);
		}

		start--;
	}

	c = 0;

	for (i = 209; i >= 0; i--) {
		o = (ans [i] + c) % 10;
		d = (ans [i] + c) / 10;

		ans [i] = o;
		c = d;
	}
}