import java.util.Scanner;
import java.io.Console;
public class Main {

	/**
	 double a,b,c, delta;
    while (cin >> a >> b >> c)
    {
          delta = (b * b) - (4 * a * c);        
          if (delta > 0) printf("2\n");
          else if (delta == 0) printf("1\n");
          else if (delta < 0) printf("0\n");
    }
	 */
	public static void main(String[] args) {
		 Scanner input = new Scanner(System.in);
		 
		 double a,b,c, delta;
		 do {
			 a=input.nextDouble();
			 b=input.nextDouble();
			 c=input.nextDouble();
			 
			 delta = (b * b) - (4 * a * c);    			 
	         if (delta > 0) System.out.println("2");
	         else if (delta == 0) System.out.println("1");
	         else if (delta < 0) System.out.println("0");
	         
		} while ( input.hasNext() );
	}

}