#include<iostream>

using namespace std;

void function(){
    cout<<"Anup TIrkey is a Mechanical Engineer, NIT.\n";
}

void function1(){
    cout<<"show the mechanical subject reporting to Anup TIrkey in System.\n";
}

int main(){
    cout<<"hello world.\n";
    cout<<"hello Taiwan Acer.\n";
    cout<<"hello Philadelphia.\n";

    function();
    function1();
    
    return 0;
}