import java.util.*;

public class Main {
	public static void main (String[] args) {
    	Scanner sc = new Scanner(System.in);
    	long a = sc.nextLong();
    	long b = sc.nextLong();
    	long c = a + b;
    	long ans = 1;
    	long gcd1 = getGCD(c, a);
    	ans *= gcd1;
    	c /= gcd1;
    	long gcd2 = getGCD(c, b);
    	ans *= gcd2;
    	System.out.println(ans);
	}
	
	static long getGCD(long x, long y) {
	    if (x % y == 0) {
	        return y;
	    } else {
	        return getGCD(y, x % y);
	    }
	}
}