#import line added for compatibility with code execution change.
#You can remove all but what is needed.
import calendar,datetime,difflib,math,random,re,string,time,urllib

max = 5

def split(l):
  if l % 2 == 0:
    return l / 2
  else:
    return (l + 1) / 2

def max(a,b):
  if a > b:
    return a
  else:
    return b

def mult(x,y):
  x = long(x)
  y = long(y)
  x_str = str(x)
  y_str = str(y)
  l1 = len(x_str)
  l2 = len(y_str)
  if (l1 < max and l2 < max):
    return x * y
  else:
    x_split = split(l1)
    y_split = split(l2)
    x1 = x[0,x_split]
    x2 = x[x_split + 1,l1 - 1]
    y1 = y[0,y_split]
    y2 = y[y_split + 1,l2 - 1]
    a = mult(x1,y1)
    b = mult(x2,y2)
    c = mult(x1 + x2,y1 + y2)
    m = max(l1,l2)
    d = (c - a - b) * 10**m
    e = b**(2 * m)
    z = a + d + e
    return z

f = mult(x,y)

print '''The product of''',x,'''and''',y,'''is''',f,'''.'''

BigInteger multiply(BigInteger a, BigInteger b) {
    int n = max(number of digits in a, number of digits in b)
    if(n == 1) {
        return a.intValue() * b.intValue();
    } else {
        BigInteger aR = bottom n/2 digits of a;
        BigInteger aL = top remaining digits of a;
        BigInteger bR = bottom n/2 digits of b;
        BigInteger bL = top remaining digits of b;
        BigInteger x1 = Multiply(aL, bL);
        BigInteger x2 = Multiply(aR, bR);
        BigInteger x3 = Multiply(aL + bL, aR + bR);
        return x1 * pow(10, n) + (x3 - x1 - x2) * pow(10, n / 2) + x2;
    }
}

x1 * pow(10, n) + (x3 - x1 - x2) * pow(10, n / 2) + x2;