Round an unsigned integer to the nearest multiple of 8 with (a) rounding up, (b) down, (c) unbiased (make next bit zero).

Analyze the round an unsigned integer to the nearest multiple of 8 with (a) rounding up, (b) down, (c) unbiased (make next bit zero)..

Examples
Input: "test_input_1"
Output: "output_1"
Hints

Round an unsigned integer to the nearest multiple of 8 with (a) rounding up, (b) down, (c) unbiased (make next bit zero).

Analyze the round an unsigned integer to the nearest multiple of 8 with (a) rounding up, (b) down, (c) unbiased (make next bit zero)..