name1 = String.new('egoing')
name2 = String.new('k8805')
puts(name1.reverse())
puts(name2.reverse())
puts(name1.upcase())
puts(name1.size())
names = Array.new()
names.push('egoing')
names.push('k8805')
puts(names)
puts(names.join(','))
bmFtZTEgPSBTdHJpbmcubmV3KCdlZ29pbmcnKQpuYW1lMiA9IFN0cmluZy5uZXcoJ2s4ODA1JykKcHV0cyhuYW1lMS5yZXZlcnNlKCkpCnB1dHMobmFtZTIucmV2ZXJzZSgpKQpwdXRzKG5hbWUxLnVwY2FzZSgpKQpwdXRzKG5hbWUxLnNpemUoKSkKbmFtZXMgPSBBcnJheS5uZXcoKQpuYW1lcy5wdXNoKCdlZ29pbmcnKQpuYW1lcy5wdXNoKCdrODgwNScpCnB1dHMobmFtZXMpCnB1dHMobmFtZXMuam9pbignLCcpKQo=