dual prime
Problem
a number can be said dual prime. if the number is prime and the sum of digits of the number is also a prime number. If a number is dual prime then print YES else print NO
Time Limit: 5
Memory Limit: 256
Source Limit:
a number can be said dual prime. if the number is prime and the sum of digits of the number is also a prime number. If a number is dual prime then print YES else print NO
