IDENTIFICATION DIVISION.
PROGRAM-ID. SAMPLE.
ENVIRONMENT DIVISION.
DATA DIVISION.
WORKING-STORAGE SECTION.
77 n PIC 9(2) value 10 .
PROCEDURE DIVISION.
display n.
stop run.
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prog.cbl: 12: error: syntax error, on or before '.'
prog.cbl: 12: error: unknown or wrong statement, on or before '.'