awk to substitute third column if first column is greater than interest

Shell Programming and Scripting
1

A file

2400  2800  PSC000289
3200  3896  PCS000289
3333  3666  PCS000221
222    1000  PCS000222
3299   3600  PSC000289

Question is while if third column is  PCS000289 
and first column should be greater than 3000, then replace PCS000289 by YES,
remaining the others column same.

the output file should be
2400  2800  PSC000289
3200 3896  YES
3333 3666  PCS000221
222    1000  PCS000222
3299 3600   YES

awk '{if (($3="PSC000289") && ($1>3000)) {gsub(/PSC000289/ ,"YES")};1'}  <file

but it is not working? any guess.

2 
awk '$3=="PCS000289"&&$1>3000{$3="YES"}1' file
1 Like