C++题解:
#include<bits/stdc++.h>
using namespace std;
int main(){
int a, b;
cin >> a >> b;
cout << (a + b) * 2 << endl; //注意endl
cout << a * b << endl; //这里可以不用endl了
return 0; //完美结束
}
Python题解:
a, b = map(int, input().split())
print((a + b) * 2)
print(a * b)