#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int j,x,p,t ; x=5; p=8; t=12; printf("%.3lf\n",(x+p+t)/3.0); cout<<39/x<<" "<<39%x<<endl; cout<<39/p<<" "<<39%p<<endl; cout<<39/t<<" "<<39%t<<endl; return 0; }