import java.lang.Byte;
import java.util.Scanner;

public class Main{
	public static void main(String[] argc){
		Scanner cin = new Scanner(System.in);
		int n = cin.nextInt();
		String s;
		while(n!=0){
			s = cin.next();
			System.out.println(Integer.parseInt(s,2));
			n--;
		}
	}
}

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