#include<stdio.h>

void main()

{

    int a,b,c,t;

    scanf("%d,%d,%d",&a,&b,&c);

    if (a>b)  {t=a;a=b;b=t;}

    if (a>c)  {t=a;a=c;c=t;}

    if (b>c)  {t=b;b=c;c=t;}

    printf("%d,%d,%d\n",a,b,c);

}