#
main()
{   int a,b;
    int *pointer_1,*pointer_2;
    scanf("%d,%d",&a,&b);
    pointer_1=&a;  pointer_2=&b;
    if(a<B)SWAP(POINTER_1,POINTER_2);
    printf("\n%d,%d\n",a,b);
}
swap(int  *p1, int  *p2)
{   int p;
    p=*p1;
    *p1=*p2;
    *p2=p;
}