#include <iostream> #include <iomanip> using namespace std; int main(){ int a=5,b=8,c=12; double p; p=(a+b+c)/3.0; cout<<fixed<<setprecision(3)<<p<<endl; cout<<39/a<<" "<<39%a<<endl; cout<<39/b<<" "<<39%b<<endl; cout<<39/c<<" "<<39%c<<endl; }