#include <iostream>
#include <stdlib.h>
#include <string.h>
#include <math.h> 
using namespace std;

#define T_STEP 0.01 //time step [sec]
#define T_MAX 3 //time max [sec]

int main(int argc, char *argv[] )
{
  double x,y;//position [m]
  double v_x,v_y;// velocity [m/s]
  double a,a_x,a_y;//acceleration  [m/s/s]
  double t=0;//time [sec]
  x=0;
  y=0;
  v_x=1;
  v_y=10;
  if(argc>2){
    v_x=(atof)(argv[1]);
    v_y=(atof)(argv[2]);
    
  }
  while(t<=T_MAX){
    cout << t <<"\t"<<x<<"\t"<<y<<endl;
    x+=T_STEP*v_x;
    y+=T_STEP*v_y;
    a=-9.8;//m/s/s
    a_x=0;
    a_y=a;
    v_x+=T_STEP*a_x;
    v_y+=T_STEP*a_y;
    t+=T_STEP;
  }
    return 0;
}