#include <stdio.h>

int main(void)
{
	char t1, t2;
	char s[7] = "(   )/";

	scanf(" %c", &t1);
	scanf(" %c", &t2);

	s[1] = s[3] = t1;
	s[2] = t2;

	printf("%s\n", s);

	return 0;
}