text = input().lower()
cc = ""
was_space = true
for i in [ 0 : text.len() ]
    if text[i] >= 'a' and text[i] <= 'z'
        if was_space
            cc += text[i].upper()
        else
            cc += text[i]
        end
        was_space = false
    else
        was_space = true
    end
end
printl(cc)