j=0
for i in range(10**9, 10**20):
    s=str(i**2)
    j=j+1
    if j==1000000:
        print ("heartbeat", i, i**2)
        j=0
    if s[0]!='1':
        continue
    if s[2*1]!='2':
        continue
    if s[2*2]!='3':
        continue
    if s[2*3]!='4':
        continue
    if s[2*4]!='5':
        continue
    if s[2*5]!='6':
        continue
    if s[2*6]!='7':
        continue
    if s[2*7]!='8':
        continue
    if s[2*8]!='9':
        continue
    print (i, i**2)
    break