IDENTIFICATION DIVISION. PROGRAM-ID. DIFFERENT. DATA DIVISION. WORKING-STORAGE SECTION. 01 INP PIC X(50). 88 EOF VALUE SPACES. 01 A PIC S9(16). 01 B PIC S9(16). 01 OUTP PIC Z(15)9. PROCEDURE DIVISION. PERFORM FOREVER ACCEPT INP IF EOF EXIT PERFORM END-IF UNSTRING INP DELIMITED BY SPACE INTO A, B SUBTRACT B FROM A MOVE FUNCTION ABS(A) TO OUTP DISPLAY OUTP END-PERFORM.