## Description

The problem is to multiply two integers X, Y. (0<=X,Y<10250)

## Input

The input will consist of a set of pairs of lines. Each line in pair contains one multiplyer.

## Output

For each input pair of lines the output line should consist one integer the product.

## Sample Input

12

12

2

222222222222222222222222

## Sample Output

144

444444444444444444444444

## HINT

#include<iostream>

#include<string.h>

using namespace std;

int main()

{

char a[10000],b[10000];

int i,j,t1,c,t2;

while(cin>>a>>b)

{

int sum[10000]={0};

int x=strlen(a);

int y=strlen(b);

t1=9999;t2=9999;

for(i=x-1;i>=0;i--)

{

for(j=y-1;j>=0;j--)

sum[t1--]+=((a[i]-'0')*(b[j]-'0'));

t2--;

t1=t2;

}

c=0;

for(i=9999;i>=0;i--)

{

sum[i]+=c;

c=0;

if(sum[i]>9)

{

c=sum[i]/10;

sum[i]=sum[i]%10;

}

}

for(i=0;i<10000;i++)

{

if(sum[i]!=0)

break;

}

for(j=i;j<10000;j++)

cout<<sum[j];

cout<<endl;

}

return 0;

}

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