import sys
input = sys.stdin.readline

a=float(input())

a*=1000
a=int(a)

ANS=0
x=0
y=0
up=0

while True:
    #print(x,y)
    if up==0:
        y^=1
        x+=a
        ANS+=2

        if x>1000:
            up^=1
            x=1000-(x-1000)
            ANS+=1

    else:
        y^=1
        x-=a
        ANS+=2

        if x<0:
            up^=1
            x=-x
            ANS+=1

    if x==0:
        if y==0:
            print("A",ANS-1)
            break
        else:
            print("B",ANS-2)
            break
    elif x==1000:
        if y==0:
            print("C",ANS-2)
            break
        else:
            print("A",ANS-1)
            break