include[HTML_REMOVED]
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();i++){
t+=A[i]*b;
C.push_back(t%10);
t/=10;
}
if(t) C.push_back(t);
return C;
}
int main(){
vector[HTML_REMOVED] A;
string a;
int b;
cin>>a>>b;
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]);
}
}