cat JANUARY-w-5m5s5s.txt | grep January >> years-and-months-of-5s-5s-5m.txt
cat MARCH-w-5m5s5s.txt | grep March >> years-and-months-of-5s-5s-5m.txt
cat MAY-w-5m5s5s.txt | grep May >> years-and-months-of-5s-5s-5m.txt
cat JULY-w-5m5s5s.txt | grep July >> years-and-months-of-5s-5s-5m.txt
cat AUGUST-w-5m5s5s.txt | grep August >> years-and-months-of-5s-5s-5m.txt
cat OCTOBER-w-5m5s5s.txt | grep October >> years-and-months-of-5s-5s-5m.txt
cat DECEMBER-w-5m5s5s.txt | grep December >> years-and-months-of-5s-5s-5m.txt