CityBlocks1139.java

package timus;

import java.util.Scanner;

/**
 * Created by sherxon on 12/8/16.
 */
// not solved
public class CityBlocks1139 {
    public static void main(String[] args) {
        Scanner in =new Scanner(System.in);
        int n=in.nextInt()-1;
        int m=in.nextInt()-1;
        if(m==n) System.out.println(m);
        else{

        }


    }
}