#include "stdio.h"
main ()
{ int m,n,r,bs;
printf("输入正整数 m,n=?");
scanf("%d,%d",&m,&n);
bs=m*n;
r=m%n;
while (r!=0)
{ m=n; n=r; r=m%n;}
printf("ma gys=%d\n",m);
printf("max gys=%d\n",n);
printf("min gbs=%d\n",bs/n); }