#include <stdio.h>

int multi(int m, int n) {
	if(n == 0) {
		return 0;
	} else if(n == 1) {
		return m;
	} else {
		return m + multi(m, n-1);
	}
}

int main(void) {
	int m,n;
	scanf("%d %d",&m, &n);
	printf("%dと%dの積は%dです\n", m, n, multi(m, n));
	return 0;
}