#include <stdio.h>
#include <stdlib.h>
int main()
{
	char *pstr = NULL;
	int razmer = 0;
	scanf("%i", &razmer);
	pstr = (char*)calloc(razmer, sizeof(char));
	for (int i = 0; i < razmer; i++)
	{
		scanf("%c", &pstr[i]);
	}
	for (int i = 0; i < razmer; i++)
	{
		printf("%c", pstr[i]);
	}
	return 0;
}