int main()
{	
	long int n;
	int x1,x2,x3,x4,x5;

	scanf("%ld",&n);
	x1=n/10000;
    x2=(int)(n-x1*10000)/1000;
	x3=(int)(n-x1*10000-x2*1000)/100;
	x4=(int)(n-x1*10000-x2*1000-x3*100)/10;
	x5=(int)(n-x1*10000-x2*1000-x3*100-x4*10);
	if(n>9999)
		printf("%d%d%d%d%d",x5,x4,x3,x2,x1);
	else if(n>999)
		printf("%d%d%d%d",x5,x4,x3,x2);
	else if(n>99)
		printf("%d%d%d",x5,x4,x3);
	else if(n>9)
		printf("%d%d",x5,x4);
	else printf("%d",x5);
	return 0;
}