#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,c; a=5; b=8; c=12; printf("%.3lf\n",(a+b+c)/3.0); int x=39/5; int x2=39%5; int p=39/8; int p2=39%5; int q=39/12; int q2=39%12; cout<<x<<endl<<x2<<endl; cout<<p<<endl<<p2<<endl; cout<<q<<endl<<q2<<endl; return 0; }