#pragma OPENCL EXTENSION cl_khr_byte_addressable_store : enable

__kernel void collatz(__global unsigned int* inputNums,
							 __global unsigned int* triesArr) {
  int N = get_global_id(1) * get_global_size(0) + get_global_id(0);
  int val = N + 1;
  int tries = 0;

  inputNums[N] = val;
  
  while(val != 1) {
	 if(val % 2 == 0) {
		val = val / 2;
	 } else {
		val = 3 * val + 1;
	 }
	 tries++;
  }

  triesArr[N] = tries;
}