Homework from Programming Language Processor... I really need help with the codes. Thank you very much!

T V paye LG Page View A Read Question 1-3 Fig.2 and Fig.3 show a test program do.plo and its output respectively. Write the output of do.plo compiled by your PL/O compiler in your report. % ./plod do.plo start compilation start execution var x; begin x := 0; do begin write x; writeln; x := x + end while x