UVA 10106

#include <iostream>
#include <stdio.h>
#include <string.h>
using namespace std;


char a[260], b[260];
int result[550];


void reverse(char a[])
{
int len = strlen(a);
for (int i = 0; i < len / 2; i++)
{
char temp = a[i];
a[i] = a[len - 1 - i];
a[len - 1 - i] = temp;
}
}


void multiply(char a[], char b[])
{
int i, j;
int alen = strlen(a);
int blen = strlen(b);
memset(result, 0, sizeof(result));
reverse(a);
reverse(b);
int len = 0;
int up;
for (i = 0; i < alen; i++)
{
up = 0;
for (j = 0; j < blen; j++)
{
int temp = result[i + j] + (a[i] - '0') * (b[j] - '0') + up;
up = temp / 10;
result[i + j] = temp % 10;
}
if (up > 0) result[i + j] = up;
}
if (up > 0) len = alen + blen;
else len = alen + blen - 1;
if (strcmp(a, "0") == 0 || strcmp(b, "0") == 0) len = 1;
for (int t = len - 1; t >= 0; --t) cout << result[t];
cout << endl;
}


int main()
{


while (scanf("%s%s", a, b) != EOF)
{
memset(result, 0, sizeof(result));
multiply(a, b);
}
return 0;
}