int main()
{
	int a,r1,r2,r3,r4,r5;
	double b;
	scanf("%d",&a);
	b=(double)a/10000;
	if(b>=1) {r5=a/10000;r4=(a-10000*r5)/1000;r3=(a-10000*r5-1000*r4)/100;r2=(a-10000*r5-1000*r4-100*r3)/10;r1=a-10000*r5-1000*r4-100*r3-10*r2;
	printf("%d%d%d%d%d\n",r1,r2,r3,r4,r5);
	}
	  else if(b>=0.1) {r4=a/1000;r3=(a-1000*r4)/100;r2=(a-1000*r4-100*r3)/10;r1=a-1000*r4-100*r3-10*r2;printf("%d%d%d%d\n",r1,r2,r3,r4);}
	   else if(b>=0.01) {r3=a/100;r2=(a-100*r3)/10;r1=a-100*r3-10*r2;printf("%d%d%d\n",r1,r2,r3);}
	    else if(b>=0.001) {r2=a/10;r1=a-10*r2;printf("%d%d\n",r1,r2);}
	     else printf("%d\n",a);
	return 0;

}