#include <stdio.h>

int main() {

    int a, b, k = 0;

    while (scanf("%d %d", &a, &b) != EOF) {
        if (b != 0) {
            if (++k != 1)    printf(" ");
            printf("%d %d", a * b, b - 1);
        }
        if (k == 0)    printf("0 0");
    }
    return 0;
}