from random import choice,randint

a,b=list(map(int,input().split()))

def hash(S):
    ANS=0
    now=1

    for i in range(len(S)):
        ANS=(ANS+ord(S[len(S)-1-i])*now)%b
        now*=a
        now%=b
    return ANS%b

X="abcdefghijklmnopqrstuvwxyz"

length=50
S=""
for i in range(length):
    S+=choice(X)
    
h=hash(S)

while True:
    T=""
    for i in range(length):
        T+=choice(X)

    if hash(T)==h:
        break

print(S)
print(T)