Pattern searching and replace

I have data this data in a text file
1 PSE480 (P)
2 PSE600 (P)
3 (P) PSE600
4 (P) PSE720
5 PSE600 (P)
6 PSE720 (P)
7 x12(P)PSE360
8 PSE450 (P)
9 PSE540 (P)
10 PSE720 (P)
11 (P) PSE1440
12 24sPSE720 (P)

What i want id the last 3 (or 4 in one case) characters after PSE my final output should look like
1 480
2 600
and so on
11 should have 1440

Please help

try sed..

sed 's/\([0-9]*[0-9]\) .*PSE\([0-9]*[0-9]\)\(.*\)/\1 \2/g' filename

sed 's/.*PSE\([[:digit:]]*\).*/\1/' file