Find the 2nd smallest number in this set.
{0, 2, 5, 22, 15, 11, 37}
The second smallest number in this set is 2.
Complete the following task based on the instruction and optional input provided.### Instruction:
Find the 2nd smallest number in this set.

### Input:
{0, 2, 5, 22, 15, 11, 37}

### Output:
The second smallest number in this set is 2.