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

typedef struct Student
{
	int roll;
	char *name;
} student;

int main()
{
	student s;

	s.name = (char *)malloc(30 * sizeof(char));

	scanf("%d%s", &s.roll, s.name);

	printf("%d %s\n", s.roll, s.name);

	strcat(s.name, "A");

	printf("%d %s\n", s.roll, s.name);

	free(s.name);
}