#include <iostream>
#include <stdio.h>
#include <cmath>
#include <algorithm>
using namespace std;

double func(double U)
{
    return 0;
}

int main()
{
    FILE* f1 = fopen("input.txt", "r");
    FILE* f2 = fopen("output.txt", "w");
    double Uv = 0.0;
    double Uvih = 0.0;
    double dt = 1.0;
    double c = 1E-6;
    double Io = 1E-13;
    double R = 1E3;
    double q = 1.6 * 1E-19;
    double T = 298;
    int t;
    double k = 1.38 * 1E-23;
    double con = k * T / q;
    for (t = 1; t <= 10000; t+=1)
    {
        Uv = t*1.0;
        Uvih = ((Uv - Uvih)/R - Io * (exp(Uvih/con) - 1))/c + Uvih;
        fprintf(f2, "%d %f\n", t, Uvih);
    }
    return 0;
}