#include<stdio.h>
void reversestr(char str1[100], char str2[100])
{
    int i, j,len;
    for (i = 0; str1[i] != '\0'; i++);
    len = i-1;
    for (i = len, j = 0; i >= 0; i--, j++)
    {

        str2[j] = str1[i];
    }
    str2[j] = '\0';
}
int main()
{
    int i;
    char s1[100], s2[100];
    printf("enter a string: \n");
    gets_s(s1);
    reversestr(s1, s2);
    for (i = 0; s2[i] <= '\0'; i++)
    {
        if (s2[i] >= 'A' && s2[i] <= 'Z')
        {
            printf("%s", s2);
        }
        if (s2[i] == ' ')
        {
            printf("%s", s2);
        }
        printf("\n");

    }
}