#include <iostream>
using namespace std;

int main(){
    float x = 1000;
    cout<<"x = "<<x<<endl;
    x = x + 1E-5;
    cout.width(10);
    cout.precision(10);
    cout<<"x = "<<x<<endl;
    x = x + 1E-5;
    cout<<"x = "<<x<<endl;
    return 0;
}

x = 1000
      x = 1000
x = 1000