#include <stdio.h>


#define N 3
#define M 3
#define A 0.0
#define B 1.0
#define C 0.0
#define D 1.0


int main(){
    double h_x;
    h_x= (double) 1/(N+1);
    double h_y;
    h_y= (double) 1/(M+1);
    double X[N+2];
    double Y[M+2];
    double xhalf[N+1];
    double yhalf[M+1];
    int i,j;
    double o,k,l;

    X[0]=C; X[N+2]=D; Y[0]=C; Y[M+2]=D; xhalf[0]=h_x/2; yhalf[0]=h_y/2;
    for(i=1; i<=N; i++)
    {

        X[i]= X[i-1]+h_x;
        xhalf[i]=xhalf[i-1]+h_x;
        printf("%e\n", X[i]);
    }
    for(i=1; i<=M; i++)
    {

        Y[i]=Y[i-1]+h_y;
        yhalf[i]=yhalf[i-1]+h_y;
        printf("%e\n", Y[i]);
    }
return 0;
}