#include<stdio.h>

int main(void)

{

char str[80], y[26];

int i, j, ny = 0;

printf("Enter a string:");

i = 0;

while ((str[i] = getchar()) != "\n")

i++;

str[i] = "\0";

for (i = 0; str[i] != "\0"; i++) {

if (str[i] >= "A"&&str[i] <= "Z")

{

for (j = 0; j < ny; j++)

if (y[j] == str[i])

break;

if (j >= ny){

y[ny] = str[i];

ny++;

}

}

}

y[ny] = 0;

if (ny != 0)

printf("%s", y);

else

printf("Not Found");

return 0;

}