#BlueBook code decryption import sys def sieve(n): x = [1] * n x[1] = 0 for i in range(2,n/2): j = 2 * i while j < n: x[j]=0 j = j+i return x def prime(n,x): i = 1 j = 1 while j <= n: if x[i] == 1: j = j + 1 i = i + 1 return i - 1 x=sieve(10000) code = [1206,301,384,5] key =[1,1,2,2,] sys.stdout.write("".join(chr(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