#include <iostream>
using namespace std;
int main()
{
int l, w, c, s;
cin >> l >> w;
c = 2 * (l + w);
s = l * w;
cout << "周长:" << l << endl;
cout << "面积:" << s << endl;
return 0;
}
#include <iostream>
using namespace std;
int main()
{
int l, w, c, s;
cin >> l >> w;
c = 2 * (l + w);
s = l * w;
cout << "周长:" << l << endl;
cout << "面积:" << s << endl;
return 0;
}