LoMeMeK.py

def main(string=None,f=0,cok=[]):
    for x in string.lower():
        f+=1
        if f ==2:
            cok.append(x.upper());f=0
        else:
            cok.append(x)
    return "[*] rEsUlT: %s"%("".join(cok))

print(main(raw_input("[?] StRiNg: ")))