include[HTML_REMOVED]

include[HTML_REMOVED]

using namespace std;
vector[HTML_REMOVED] mult(vector[HTML_REMOVED]&A,int b){
vector[HTML_REMOVED]c;//记录答案
int t=0;//存储借位
for(int i=0;i<=A.size();i++){//从个位开始计算
if(i[HTML_REMOVED]0){
c.push_back(t % 10);
t /= 10;
}

while(c.size()>1&&c.back()==0){//这里去0操作
    c.pop_back();
}
return c;

}

int main(){
string a;

int b;

cin>>a>>b;

vector<int>A;

for(int i=a.size()-1;i>=0;i--)A.push_back(a[i]-'0');

 auto c=mult(A,b);

 for(int i=c.size()-1;i>=0;i--) printf("%d",c[i]);

 return 0;

}