#include <stdio.h>
#include <conio.h>
#include <math.h>
#include <limits.h>

#define true 1
#define false 0

int main()
{
    FILE *f = fopen("m.dat", "r");
    if (f == NULL) {
        printf("No such file in this dirrectory (m.dat)");
        exit(1);
    }

    FILE *fw = fopen("g.dat", "w");
    if (fw == NULL) {
        printf("No such file in this dirrectory (g.dat)");
        exit(1);
    }

    int num = 0;
    char c = fgetc(f);
    char oldc = ' ';
    int i = 0;

    while (true)
    {
        if (c == '-')
        {
            c = fgetc(f);
            num = -1 * (c - '0');
        }
        else if (c == EOF || c == '\n') {
            break;
        }
        else if (c == ' ')
        {
                fprintf(fw, "%d ", num*num);
                num = 0;
            }
        else
        {
            num = num * 10 + (c - '0');
        }
        oldc = c;
        c = fgetc(f);
    }

    fclose(f);
    fclose(fw);
}