SOLVE
LATER
Simran is running up a staircase with N steps, and can hop(jump) either 1 step, 2 steps or 3 steps at a time.You have to count, how many possible ways Simran can run up to the stairs.
Input Format:
Input contains integer N that is number of steps
Output Format:
Output for each integer N the no of possible ways w.
Constraints
\(1 \le N \le 30\)