int p, r, m, n, temp;
    printf("请输入两个正数:\n");
    scanf_s("%d,%d",&m,&n);
    if (n < m)
    {
        temp = n;
        n = m;
        m = temp;
    }
    p = n * m;
        while (m != 0)
        {
            r = n % m;
            n = m;
            m=r;
        }
        printf("它们的最大公约数:%d",n);
        printf("它们的最小公倍数为:%d\n",p/n);