#include <stdio.h>
#include <stdlib.h>

int main ()
{
    int m, n, i=0, j, k;
    double *matr;
    FILE *out;
    FILE *in;
    double a;
    in=fopen("input.txt", "r");
    if (in==0)
    {
        return -1;
    }
    if (fscanf(in, "%d %d", &n, &m)!=2)
    {
        fclose (in);
        return -1;
    }
    matr=(double*)malloc(n*m*sizeof(double));
    while(fscanf(in, "%lf", &a)==1)
    {

        if(i>m*n)
        {
            free (matr);
            fclose (in);
            return -1;
        }
        matr[i]=a;
        i++;
    }
    if (i<m*n) return -1;
    function (matr, n, m);
    out=fopen("output.txt", "w");
    if (out==0)
    {
       free(matr);
       return -1;
    }
    for (j=0; j<n; j++)
    {
        for (k=0; k<m; k++)
        {
            fprintf (out, "%f ", matr[j*n+k]);
        }
        fprintf(out, "\n");
    }
    fclose (out);
    free(matr);
    return 0;
}

//void function(matr, n, m);
//{