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

	if(a==0&&b!=0&&c!=0&&d!=0&&e!=0){
	m=1000*e+100*d+10*c+1*b;
	printf("%d",m);}

	if(a==0&&b==0&&c!=0&&d!=0&&e!=0){
	m=100*e+10*d+1*c;
	printf("%d",m);}

	if(a==0&&b==0&&c==0&&d!=0&&e!=0){

	m=10*e+1*d;
	printf("%d",m);}

	if(a==0&&b==0&&c==0&&d==0&&e!=0){
		m=1*e;
	printf("%d",m);}

	


	return 0;
}

   