编辑代码

#include <stdio.h>
int main () {
    int a,b,num1,num2,temp;
    printf("please input two numbers :\n");
    scanf("%d,%d",&num1,&num2);
    if (num1){
        temp=num1;
        num1=num2;
        num2=temp;
    }
    a=num1;b=num2;
    while(b!=0)
    {
        temp=a%b;
        a=b;
        b=temp;
    }
    printf("gongyueshu:%d\n",a);
    printf("gongbeishu:%d\n",num1*num2/a);
}