void main()
{
	int n,a,b,c,d,e;
	scanf("%d",&n);
	a=n/10000;
	b=(n-a*10000)/1000;
	c=(n-a*10000-b*1000)/100;
	d=(n-a*10000-b*1000-c*100)/10;
	e=(n-a*10000-b*1000-c*100-d*10)/1;
	if(a!=0)
		printf("%d%d%d%d%d\n",e,d,c,b,a);
	else if(b==0)
			printf("%d%d%d\n",e,d,c);
	else
		printf("%d%d%d%d\n",e,d,c,b);
}