#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a,b,s,c; cin>>a>>b; s=a*b; printf("%2lf\n",s); c=a*2+b*2; printf("%2lf\n",c); return 0; }