// program to calculate random numbers
#include <iostream>
#include <math.h>
#include <stdio.h>
using namespace std;


int main (int argc, char **argv)
{

   if(argc != 5) {
      printf("Need 4  arguments: a, b, c and n\n");
      exit(0);
   }


   unsigned long irand = 1;
   unsigned long a=atol(argv[1]);
   unsigned long b=atol(argv[2]);
   unsigned long c=atol(argv[3]);
   int n=atoi(argv[4]);   // number of steps


   int i;//the loop counter

   for(i =0; i< n; i++)  //make n steps
      {
      cout << i << " "<< irand << " " << ((double)irand)/((double)b) << endl;
      irand = (a*irand+c)%b;
      }
}