While (R) >= 0:
    R=input("What is the value for Red?")
G=input("What is the value for Green?")
B=input("What is the value for Blue?")

R=eval(R)/255
G=eval(G)/255
B=eval(B)/255

maxval=max(R,G,B)
minval=min(R,G,B)
delta=maxval-minval

print("Which color format would you like to convert to?")
colorformat = input( "CMY=CMY,CMYK=CMYK,HSV=HSV: " )

if colorformat == "CMY":
    C = 1 - R
    M = 1 - G
    Y = 1 - B
    print("The CMY values corresponding to ("+str(R)+","+str(G)+","+str(B)+") are ("+str(C)+","+str(M)+","+str(Y)+")")

if colorformat == "CMYK":
    C = maxval - R
    M = maxval - G
    Y = maxval - B
    K = 1 - maxval
    print("The CYMK values corresponding to ("+str(R)+","+str(G)+","+str(B)+") are ("+str(C)+","+str(M)+","+str(Y)+","+str(K)+")")

if colorformat == "HSV":
    V = maxval
    S = V
    if V != 0:
        (maxval-minval)/maxval
    else:
        V == 0
    H = S
    if S == 0:
        H == 0
    elif R == maxval:
        H == (G-B)/delta
    elif G == maxval:
        H == 2+(B-R)/delta
    elif B == maxval:
        H == (4+(R-G)/delta)*60
    elif H < 0:
        H == H + 360
    print("The HSV values corresponding to ("+str(R)+","+str(G)+","+str(B)+") are ("+str(H)+","+str(S)+","+str(V)+")")