a,b=map(int,input("enter the numbers").split())
for i in range(a,b+1):
flag=1
for j in range(2,i):
if i%j==0:
flag=0
break
if flag==1:
print(i)
YSxiPW1hcChpbnQsaW5wdXQoImVudGVyIHRoZSBudW1iZXJzIikuc3BsaXQoKSkKZm9yIGkgaW4gcmFuZ2UoYSxiKzEpOgoJZmxhZz0xCglmb3IgaiBpbiByYW5nZSgyLGkpOgoJCWlmIGklaj09MDoKCQkJZmxhZz0wCgkJCWJyZWFrCglpZiBmbGFnPT0xOgoJCXByaW50KGkp