#include <iostream>
#include <vector>
#include <numeric>
int main() {
std::vector<int> store(3);
for(int i=0;i<3;i++){
std::cout << i+1 << ". test result: ";
std::cin>>store[i];
}
for(int i=0;i<3;i++) {
std::cout << i+1 << ". test score: " << store[i] << std::endl;
}
std::cout << "Average: " << double(std::accumulate(store.begin(),store.end(),0.0)/store.size()) << std::endl;
return 0;
}