void main() {

//program data

String month = "Feb"; bool isMonthValid = true; String season = "";

if(month=="Jan" || month == "Feb" || month == "March"){ season = "Spring"; } if(month=="JApr" || month == "Jun" || month == "July"){ season = "Summer"; } if(month=="Aug" || month == "Sep" || month == "Oct"){ season = "Autumn"; } if(month=="Nov" || month == "Dec"){ season = "Winter"; }

print(season);

}