#include <stdio.h>

#define	MAX	200

main()
{	char	stc[MAX+1];
	short	cc;
	short	ix, iy;
ix=0;stc[MAX]='\n';
while ((cc=getchar())!=EOF) {
	if(ix<MAX) {
		stc[ix]=cc;ix++;
		}
	}
iy=0;
while( stc[iy]!='\n') iy++;
ix=iy-1;
while(ix>=0) {putchar(stc[ix]);ix--;}
putchar('\n');
}