Generate an output based on the instruction and input
Instruction: Calculate the average grade achieved by the five students
Input:
John: 80
Eva: 92
Katelyn: 85
Steve: 90
Logan: 82
The average grade achieved by John, Eva, Katelyn, Steve, and Logan is 85.8.
Complete the following task based on the instruction and optional input provided.### Instruction:
Generate an output based on the instruction and input

### Input:
Instruction: Calculate the average grade achieved by the five students
Input:
John: 80
Eva: 92
Katelyn: 85
Steve: 90
Logan: 82

### Output:
The average grade achieved by John, Eva, Katelyn, Steve, and Logan is 85.8.