Arrange the words or phrases in the input into meaningful sentences.
Output the sentences one by one, seperated by period.
well times techniques difficult
Difficult times require well techniques.
Complete the following task based on the instruction and optional input provided.### Instruction:
Arrange the words or phrases in the input into meaningful sentences.
Output the sentences one by one, seperated by period.

### Input:
well times techniques difficult

### Output:
Difficult times require well techniques.