import std;
void main(){
	auto a = readln.chomp.split(".").join.to!long;
	ulong x = 0;
	ulong y = 0;
	ulong result = 0;
	auto d = 0;
	while(true){
		d += a;
		if(d > 1000 && (x + y) % 2 == 1){
			d -= 1000;
			y += 1;
			result += 1;
		}
		while(d > 1000){
			d -= 1000;
			y += 1;
			result += 2;
		}
		if(d == 1000){
			char c = 'A';
			if((x + y) % 2 == 0){
				result += 1;
			}else{
				if(x % 2 == 0){
					c = 'B';
				}else{
					c = 'C';
				}
			}
			writefln("%c %d", c, result);
			break;
		}
		if((x + y) % 2 == 0 || d - a > 0){
			result += 1;
		}
		result += 1;
		x += 1;
	}
}