void main()
{
	int x,a1,a2,a3,a4,a5,t;
	scanf("%d",&x);
	a1=x/10000;
	a2=(x-10000*a1)/1000;
	a3=(x-10000*a1-1000*a2)/100;
	a4=(x-10000*a1-1000*a2-100*a3)/10;
	a5=(x-10000*a1-1000*a2-100*a3-10*a4)/1;
	t=a1;a1=a2;a2=t;
	
	t=a1;a1=a3;a3=t;
	
	t=a1;a1=a4;a4=t;
	
	t=a1;a1=a5;a5=t;
	
	t=a2;a2=a3;a3=t;
	
	t=a2;a2=a4;a4=t;
	
	t=a2;a2=a5;a5=t;
	
	t=a3;a3=a4;a4=t;
	
	t=a3;a3=a5;a5=t;
	
	t=a4;a4=a5;a5=t;
	if(a1*a2*a3*a4*a5!=0)
	printf("%d%d%d%d%d\n",a1,a2,a3,a4,a5);
	else if(a2*a3*a4*a1!=0) printf("%d%d%d%d\n",a1,a2,a3,a4);
	else if(a3*a2*a1!=0) printf("%d%d%d\n",a1,a2,a3);
	else if(a2*a1!=0) printf("%d%d\n",a1,a2);
	else if(a1!=0) printf("%d\n",a1);
	else printf("0");
}
