include[HTML_REMOVED]
using namespace std;
vector[HTML_REMOVED] mul(vector[HTML_REMOVED] &A, int b)
{
vector[HTML_REMOVED] C;
int t = 0;
for (int i = 0; i < A.size() || t; i ++ )
{
if (i < A.size()) t += A[i] * b;
C.push_back(t % 10);
t /= 10;
}
while (C.size() > 1 && C.back() == 0) C.pop_back();
return C;
}
int main()
{
string a;
int b;
cin >> a >> b;
vector[HTML_REMOVED] A;
for (int i = a.size() - 1; i >= 0; i – ) A.push_back(a[i] - ‘0’);
auto C = mul(A, b);
for (int i = C.size() - 1; i >= 0; i – ) printf(“%d”, C[i]);
return 0;
}