C++出现未知错误，错误：令牌之前的预期主表达式';'

C++上的未知错误，错误：';"标记之前的预期主表达式。这是我用C++编写的代码：

 #include <iostream>
 #include <math.h>
 #include <stdio.h>
 #define G 6.674E-11
 using namespace std;
 int main()
 {
 //Ms = Mass of sun, Me = Mass of Earth, Fg = Gravitational force between them, As =                                   Acceleration of Sun, Ae = Acceleration of Earth, Ve_x
 // = initial velocity of Earth in x direction, Ve_y = initial velocity of Earth in y          direction, Vs_x = initial velocity of the Sun in x direction
 // Vs_y = initial velocity of sun in y direction, t = time, F = Gravitational force   `    between the two bodies.
    float Ms, Me, Fg, As, Ae, Ve_x, Ve_y, Vs_x, Vs_y, pos_E, pos_S, r_x, r_y, r, t;
    float S_dist;
    float E_dist;
    float F;
    float Ve[2];
    float Vs[2];
    float pe[2];
    float ps[2];

  FILE *fileptr;
    cout <<"Enter mass of the Sun in kgn";
    cin >> Ms;
    cout <<"Enter mass of the earth in kgn";
    cin >> Me;
    cout <<"Enter intial velocity of the sun in x direction in m/sn";
    cin >> Vs[0];
    cout <<"Enter intial velocity of the sun in y direction in m/sn";
    cin >> Vs[1];
    cout <<"Enter intial velocity of the earth in x direction in m/sn";
    cin >> Ve[0];
    cout <<"Enter intial velocity of the earth in y direction in m/sn";
    cin >> Ve[1];
    cout <<"Enter intial position of the sun in x componentn";
    cin >> ps[0];
    cout <<"Enter intial position of the sun in y directionn";
    cin >> ps[1];
    cout <<"Enter intial position of the earth in x directionn";
    cin >> pe[0];
    cout <<"Enter intial position of the earth in y directionn";
    cin >> pe[1];

  for (t=0; t<30000; t+1)
 {
  float E_dist;
  float S_dist;
  float F;
    E_dist=sqrt( ((pe[0]-pe[0])*(pe[0]-pe[0])) + ((pe[1]-pe[1])*(pe[1]-pe[1])) );
    S_dist=sqrt( ((ps[0]-ps[0])*(ps[0]-ps[0])) + ((ps[1]-ps[1])*(ps[1]-ps[1])) );
    r_x=( (pe[0]-pe[0]) - (ps[0]-ps[0]) );
    r_y=( (pe[1]-pe[1]) - (ps[1]-ps[1]) );
    r= sqrt( (r_x)*(r_x) + (r_y)*(r_y) );
    F=(G*Me*Ms)/(r*r);
    Ae = F/Me;
    As = F/Ms;
    Ve_x = Ve[0];
    Ve_y = Ve[1];
    Vs_x = Vs[0];
    Vs_y = Vs[1];
    }
    cout<<"At time "<<t<<":n The position of the Sun is "<<S_dist<<"n The position of   the Earth is "<<E_dist
    <<"n The acceleration of the Sun is "<<As<<" n The acceleration of the Earth is "<<Ae<<" nThe velocity of the Sun in the x direction is "
    <<Vs_x<<" n The velocity of the Sun in the y direction is "<<Vs_y<<" n The velocity of the Earth in the x direction is "<<Ve_x<<
    " n The velocity of the Earth in the y direction is "<<Ve_y<<" n The gravitational force between the Sun and the Earth is "<<F<<; // ERROR OCCURRED HERE.
} 

如有任何帮助，将不胜感激，谢谢。