input flight $3. +5 date date7. +2 dest $3. +8 boarded;
informat date date7.;
format date date7.;
datalines;
219 01MAR08 LON 198
622 01MAR08 FRA 207
132 01MAR08 YYZ 115
271 01MAR08 PAR 138
219 02MAR08 LON 147
622 02MAR08 FRA 176
132 02MAR08 YYZ 106
271 02MAR08 PAR 172
219 03MAR08 LON 197
622 03MAR08 FRA 180
132 03MAR08 YYZ 75
271 ...
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