5 lines
185 B
Text
5 lines
185 B
Text
var yes, r=[[(y,m);
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[1900..2100];
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[1..12],{if(m==1)yes=True; if(D.daysInMonth(y,m)==31 and 5==D.weekDay(y,m,1)) yes=False; True},
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{if (m==12) yes else False};
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{y}]]
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