#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define N 20

void encoder(char text[], char *enc_text)
{
    int i, j;
    int len = strlen(text);

    char alphabet[27] = { 'a','b','c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'Z' };
    for (i = 0; i < len; i++)
    {
        for (j = 0; j < 27; j++) {
            if (text[i] == alphabet[j])
            {

                enc_text[i] = alphabet[j + 1];
            }
        }
    }
    enc_text[i] = '\0';
}
int main()
{
    FILE *file;
    if ((file = fopen("shif_text.txt", "a")) == NULL)
    {
        printf("fail");
        getchar();
        return ;
    }

    char *text;
    char *encode_t;


	text = (char*)malloc(sizeof(char)*N);
    gets(text);

	encode_t = (char*)malloc(sizeof(char)*N);
    encoder(text, encode_t);

    fputs(encode_t, file);
    fclose(file);

	system("pause");
    return 0;
}