

int main()
{
	int a;
	scanf("%d",&a);
	if(a<10) printf("%d",a);
	if(a>=10&&a<100){
		int b,c;
		b=a/10;
		c=a-10*b;
		printf("%d",10*c+b);
	}
	if(a>=100&&a<1000){
		int b,c,d;
		b=a/100;
		c=(a-100*b)/10;
		d=a-100*b-10*c;
		printf("%d",100*d+10*c+b);
	}
	if(a>=1000&&a<10000){
		int b,c,d,e;
		b=a/1000;
		c=(a-1000*b)/100;
		d=(a-1000*b-100*c)/10;
		e=a-1000*b-100*c-10*d;
		printf("%d",1000*e+100*d+10*c+b);
	}
	if(a>=10000&&a<100000){
		int b,c,d,e,f;
		b=a/10000;
		c=(a-10000*b)/1000;
		d=(a-10000*b-1000*c)/100;
		e=(a-10000*b-1000*c-100*d)/10;
		f=a-10000*b-1000*c-100*d-10*e;
		printf("%d",10000*f+1000*e+100*d+10*c+b);
	}
	return 0;
}
