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;
		HashMap<Long, Integer> pMap = new HashMap<>();
		for (long i = 2; i <= Math.sqrt(a); i++) {
		    while (a % i == 0) {
		        if (pMap.containsKey(i)) {
		            pMap.put(i, pMap.get(i) + 1);
		        } else {
		            pMap.put(i, 1);
		        }
		        a /= i;
		    }
		}
		if (a != 1) {
		    if (pMap.containsKey(a)) {
		        pMap.put(a, pMap.get(a) + 1);
		    } else {
		        pMap.put(a, 1);
		    }
		}
		for (long i = 2; i <= Math.sqrt(b); i++) {
		    while (b % i == 0) {
		        if (pMap.containsKey(i)) {
		            pMap.put(i, pMap.get(i) + 1);
		        } else {
		            pMap.put(i, 1);
		        }
		        b /= i;
		    }
		}
		if (b != 1) {
		    if (pMap.containsKey(b)) {
		        pMap.put(b, pMap.get(b) + 1);
		    } else {
		        pMap.put(b, 1);
		    }
		}
		HashMap<Long, Integer> sMap = new HashMap<>();
		for (long i = 2; i <= Math.sqrt(c); i++) {
		    while (c % i == 0) {
		        if (sMap.containsKey(i)) {
		            sMap.put(i, sMap.get(i) + 1);
		        } else {
		            sMap.put(i, 1);
		        }
		        c /= i;
		    }
		}
		if (c != 1) {
		    if (sMap.containsKey(c)) {
		        sMap.put(c, pMap.get(c) + 1);
		    } else {
		        sMap.put(c, 1);
		    }
		}
		long ans = 1;
		for (Map.Entry<Long, Integer> entry : sMap.entrySet()) {
		    long x = entry.getKey();
		    if (pMap.containsKey(x)) {
		        ans *= (long)(Math.pow(x, Math.min(pMap.get(x), entry.getValue())));
		    }
		}
		System.out.println(ans);
	}
}