# BlueBook code decryption
import sys
def sieve(n):
#Compute primes using sieve of Eratosthenes
x = [1]*n
x[1] = 0;
for i in range(2, n/2)
j = 2*i
while j < n:
x[j] = 0
j = j+1
return x
def prime(n,x):
# Find nth prime
i = 1
j = 1
while j <=n:
if x[i] == 1:
j = j+1
i = i+1
return i-1
# Compute BlueBook unlock code
x = sieve(10000)
code = [1206,301,384,5]
key = [1,1,2,2]
sys.stdout.write("".join(hr(i) for i in [73,83,66,78,32,61,32]))
for i in range(0,4):
sys.stdout.write(str(prime(code[i],x)-key[i]))
print