local upper=string.upper
local upperList={
	["1"]="!",["2"]="@",["3"]="#",["4"]="$",["5"]="%",
	["6"]="^",["7"]="&",["8"]="*",["9"]="(",["0"]=")",
	["`"]="~",["-"]="_",["="]="+",
	["["]="{",["]"]="}",["\\"]="|",
	[";"]=":",["'"]="\"",
	[","]="<",["."]=">",["/"]="?",
}
return function(c)
	return upperList[c]or upper(c)
end