#include<stdlib.h>
#include<stdio.h>
#include<string.h>
#define MAX 255

int palindrome(char *x, int y, int i)
{
    while(i<=y){
        if(x[i]!=x[y])
            return 0;
        i++;y--;
    }
    return 1;
}

int main()
{
    char *reading;
    int length;
    int x=0;
    int y=0;
    char read[MAX];
    char write[MAX];
    FILE *r;
    FILE *w;
    puts("Enter read file name");
    scanf("%s", read);
    puts("Enter write file name");
    scanf("%s", write);
    r=fopen(read, "r");
    if(r==NULL)
        perror("File does not exist");
    w=fopen(write, "w");
    reading=malloc(MAX*sizeof(char));
    while(fgets(reading, MAX, r)!=NULL)
    {
        length=strlen(reading);
        while(x<=length){
            for(x=y; ;x++){
                printf("%cn", reading[x]);
                if((reading[x]>='a'&& reading[x]<='z') || (reading[x]>='A' && reading[x]<='Z'))
                    break;
            }
            for(y=x; ;y++){
                printf("%cn",reading[y]);
                if((reading[y]>='a'&& reading[y]<='z') || (reading[y]>='A' && reading[y]<='Z'));
                else
                    break;
            }
            if(palindrome(reading, y, x)==1)
                for( ;x<=y;x++)
                fputc(reading[x], w);
            x=y;
        }
    }
    fclose(r);
    fclose(w);
    return 0;
}