sample code

#include <iostream>
#include <fstream>
#include <istream>
#include <cstdlib>
#include <math.h>
using namespace std;

int main () {
	char c;
	int num = 0;
	ifstream fin;
	fin.open("numbers.txt");
	if(fin.good())
	{
		int count = 0;
		while(!fin.eof()){
			c = fin.get();
			num = 0;
			count = 0;
			while(c != ' ' && c != '\n' && c!= EOF){
				num = num * pow(10, count) + (c-48);
				c = fin.get();
				count++;
			}
			cout << "Number:" <<num << endl;
		}
		fin.close();
		
	}
	else{
		cout << "blah";
	}
	return 0;

}