int main()
{
	int a, b, c, max1, max2, max;
	for (a = 1; a <= 3; a++)
		for (b = 1; b <= 3; b++)
			for (c = 1;c <= 3; c++)
				 if (a + (b > a) + (c == a ) == 3 && b + (a > b) + (a > c ) == 3 && c + (c > b) + (b > a ) == 3)
					 break;
				 max1 = a > b ? a : b;
				 max2 = b > c ? b : c;
				 max = max1 > max2 ? max1 : max2;
				 cout << (char)(max + 62) << (char)(max + 63) << (char)(max + 61);
				 return 0;
}