/*   @JUDGE_ID:   1705PZ   483   C */
#include <stdio.h>

int main()
{
	int i,count;
	char ch;
	char string[10000];

	while(1)
	{
		ch = fgetc(stdin);
		if(ch == EOF)
			break;
		if(ch == ' ' || ch == 0x0d || ch == 0x0a)
			fputc(ch,stdout);
		else
		{
			count = 0;
			string[count++] = ch;
			while(1)
			{
				ch = fgetc(stdin);
				if(ch == ' ' || ch == 0x0d || ch == 0x0a || ch == EOF)
					break;
				string[count++] = ch;
			}
			for(i = count - 1;i >= 0;i--)
				fputc(string[i],stdout);
			if(ch == EOF)
				break;
			fputc(ch,stdout);
		}
	}

	return 0;
}
@END_OF_SOURCE_CODE