#include <iostream>
using namespace std;

struct Point{
	int x, y;
}point;

char sign_sin(Point p){
	if(p.y>0){
		return '+';
	}else{
		return '-';
	}
}

char sign_cos(Point p){
	if(p.x>0){
		return '+';
	}else{
		return '-';
	}
}

char sign_tan(Point p){
	if(p.x>0 && p.y>0 || p.x<0 && p.y<0){
		return '+';
	}else{
		return '-';
	}
}

int main(){
	int x, y;
	while(cin >> x >> y){
		if(x==0 || y==0){
			cout << "Invalid point! either x or y located in their axis. Enter a new point : " << endl;
			continue;
		}
		point.x = x;
		point.y = y;
		cout << "sin " << sign_sin(point) << endl;
		cout << "cos " << sign_cos(point) << endl;
		cout << "tan " << sign_tan(point) << endl;
	}
	return 0;
}