#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main()
{
	char s[] = "Hello";
	char temp;
	int n,i;


	printf("Enter n: ");
	scanf("%d",&n);

	for(i = 0; i < n; i++)
	{
		temp = s[i];
		s[i] = s[strlen(s) - i];
		s[strlen(s) - i] = temp;
	}
	printf("%s",s);
	return 0;
}