题解

#include<bits/stdc++.h>
using namespace std;
int a,b;
int main(){
    cin>>a>>b;
    cout<<a<<endl<<b<<endl;
    if(b<10){     
        cout<<a*b;
        return 0;
    }
    if(b%10==0)cout<<"00"<<endl;
    else cout<<b%10*a<<endl;
    cout<<b/10*a<<endl;
    cout<<a*b<<endl;
    return 0;
}