Sort the following song titles in chronological order.
Let it Be, Hey Jude, Coming Up, Paperback Writer
1. Paperback Writer (1966)
2. Hey Jude (1968)
3. Let it Be (1970)
4. Coming Up (1980)
Complete the following task based on the instruction and optional input provided.### Instruction:
Sort the following song titles in chronological order.

### Input:
Let it Be, Hey Jude, Coming Up, Paperback Writer

### Output:
1. Paperback Writer (1966)
2. Hey Jude (1968)
3. Let it Be (1970)
4. Coming Up (1980)