#include <stdio.h>
#include <string.h>

#define INPUT_FILENAME "input.txt"
#define OUTPUT_FILENAME_1 "output1.txt"
#define OUTPUT_FILENAME_2 "output2.txt"

#define MAX_LINE_LEN 256

int main(){

    int res = 0;
    FILE* fd_input = NULL;
    FILE* fd_output1 = NULL;
    FILE* fd_output2 = NULL;

    char str_buff[MAX_LINE_LEN];
    memset(str_buff, '\0', MAX_LINE_LEN * sizeof(char));

    fd_input = fopen(INPUT_FILENAME, "r");
    if(!fd_input){
        res = 1;
        goto __exit_l;
    }

    fd_output1 = fopen(OUTPUT_FILENAME_1, "w");
    if(!fd_input){
        res = 1;
        goto __exit_l;
    }

    fd_output2 = fopen(OUTPUT_FILENAME_2, "w");
    if(!fd_input){
        res = 1;
        goto __exit_l;
    }


    if(fgets(str_buff, MAX_LINE_LEN, fd_input) != NULL){
        printf("readed line: %s\n", str_buff);

    }
    else{
        res = 1;
        goto __exit_l;
    }
    fputs(str_buff, fd_output1);

    memset(str_buff, '\0', MAX_LINE_LEN * sizeof(char));
    if(fgets(str_buff, MAX_LINE_LEN, fd_input) != NULL){
        printf("readed line: %s\n", str_buff);
    }
    else{
        res = 1;
        goto __exit_l;
    }
    fputs(str_buff, fd_output2);

    __exit_l:
    if(fd_input)
        fclose(fd_input);
    if(fd_output1)
        fclose(fd_output1);
    if(fd_output2)
        fclose(fd_output2);

    return res;
}