A+B: Difference between revisions
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→{{header|True BASIC}}
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==={{header|True BASIC}}===
<lang qbasic>DO
INPUT PROMPT "
IF ABS(A)>1000 OR ABS(B)>1000 OR IP(A)<>A OR IP(B)<>B THEN
PRINT "Both integers must be in the interval [-1000..1000] - try again."
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