Problems
2^k + 2^n
2^k + 2^n
Two different integers k and n are given. Print the value 2k + 2n, using bit operations only.
Input
Two different integers k and n (0 ≤ k, n ≤ 30).
Output
Print the number 2k + 2n.
Input example #1
0 1
Output example #1
3