47.5

#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>

#include <string.h>


int main()

{

   char word[31];


    scanf("%[^\n]s", word);


    char s1[30] = word;

    char* sArr[30] = { NULL, };


    int i = 0;

    int trueornot;


    char* ptr = strtok(s1, " ");


    while (ptr != NULL)

    {

        sArr[i] = ptr;

        i++;

        ptr = strtok(NULL, " ");

    }


    int length;

    length = strlen(sArr);   


    for (int i = 0; i < length / 2; i++)

    {

        if (sArr[i] != sArr[length - 1 - i])

        {

            trueornot = 0;

            break;

        }

    }


    printf("%d\n", trueornot);    


    return 0;

}