#include <stdio.h>

int func(int a, int b)
{
int ret = 0;
int c;
if (b > 0) {
for (c = 0; c < b; c++)
ret += a;
} else {
for (c = 0; c > b; c--)
ret -= a;
}
return ret;
}

int main()
{
int a, b, ret;
scanf("%d %d", &a, &b);
printf("a * b = %d \n", func(a, b));
}