#include<stdio.h>
#include<math.h>
int main()

{
   int a,b,c,m;
   scanf("%d %d %d",&a,&b,&c);
   if(a>b){
   	m=a,a=b,b=m;
   }
   if(a>c){
   	m=a,a=c,c=m;
   }
   if(b>c){
   	m=b,b=c,c=m;
   }
   if(a>b){
   	m=a,a=b,b=m;
   }
   printf("%d->%d->%d",a,b,c);
   return 0;
}