#include<iostream>
using namespace std;
 
int main() {
 
float a = 1.234567E-7;
float b = 1.000000;
float c = -b;
float s1 = a+b;
cout << s1 << endl;   // Konsolenausgabe: 1
s1 += c;
cout << s1 << endl;    // Konsolenausgabe: 1.19209e-07
cout << c + a + b << endl; // Konsolenausgabe: 1.23457e-07
 
return 0;
}