num = 10
for i in range(2,num+1):
for j in range(2,i):
if(i%j == 0):
break
else:
print(i)
lower = int(input("Enter lower range: "))
upper = int(input("Enter upper range: "))
for num in range(lower,upper + 1):
if num > 1:
for i in range(2,num):
if (num % i) == 0:
break
else:
print(num)