#!/usr/bin/python3
def mulitem(x):
	return x*x
met=lambda x: x*x
a=[1,2,3,4,5]

def main():
	#res=map(mulitem,a) #tropos me synartisi mulitem
	res=map(met,a)      #tropos me metavliti met=lambda
	print(*res,sep=',')


if __name__=="__main__":
	main()