class Main
    bool = "Yes"
    u_s = "u s h i t a p u n i c h i a k u n".split("")
    while(true)
        s = gets.chomp.split("")
        next if(s.length < 2 || s.length > 100)
        break;
    end
    s.length.times do|i|
        if((i+1) % 2 == 0)
            if((i+1) % 2 != 0)
                bool = "No"
                break
            end
        else
            if(s[i] != u_s[i])
                bool = "No"
                break
            end
        end
    end
    print(bool)
end