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;
}