input_line = input()
Line = input_line.split()
Line = [int(s) for s in Line]
# print(Line)

flag = 0

for a in range(Line[0]):
    for b in range(Line[1]):
        if Line[0]%(a+1) == 0 :
            if (a+1) % (b+1) == 0 :
                flag = 1

if flag == 1:
    print("YES")
else:
    print("NO")