I got 3 columns, name, col1, col2, I want to output 2 columns only
col1== col2 OR col1!=col2 in each row
but my final output only 2 column

INPUT:
name col1 col2
row1 A 1 1
row2 B 2 22
row3 C 3 333
row4 D 4 4



OUTPUT:
name column
row1 A 1
row2 B 2
row3 B 22
row4 C 3
row5 C 333
row6 D 4