/* Note:Your choice is C IDE */
#include "stdio.h"
void main()
{  int n,a,b,c;
   printf("请输入两个整数（逗号隔开）:");
   scanf("%d,%d",&a,&b);
   n=b;
   c=a%b;
   void print_1();
   void print_2();
   print_1();
   print_2();
   return 0;
   
}

void print_1()
{
  
   while(c!=0)
   {
    a=b;
    b=c;
    c=a%b;
   }
   printf("\n最大公约数是:%d\n",b);
}
void print_2()
{  printf("\n最大公倍数是：%d\n",a*n/b);
    }