void main()
{
	long int x;
	long int a,b,c,d,e;
	scanf("%ld",&x);
	while(x>99999)
	{printf("????,?????:");
	scanf("%d",&x);
	}
	a=x/10000;
	b=(x-a*10000)/1000;
	c=(x-a*10000-b*1000)/100;
	d=(x-a*10000-b*1000-c*100)/10;
	e=x-a*10000-b*1000-c*100-d*10;
	if(a!=0)
		printf("%d%d%d%d%d\n",e,d,c,b,a);
	else if(b!=0)
		printf("%d%d%d%d\n",e,d,c,b);
	else if(c!=0)
		printf("%d%d%d\n",e,d,c);
	else if(d!=0)
		printf("%d%d\n",e,d);
	else
		printf("%d\n",e);
}
	