Copy paste positions

[Sajgon]

How to reproduce the bug?

1. Copy paste a position, for example 32806, 32000, 7, or simply copy 32806.
2. Paste the number(s) into the input fields in Goto (CTRL+G)
3. Bug:

Expected 1, all 3 values copied added to the 3 fields
Expected 2, the value copied added to the selected field