#include <stdio.h>
#define SIZE
int main(void) {
int n[SIZE], i, j, search, found[SIZE];

for(i = 0; i < SIZE; i++) {
printf("data no-%d : ", i);
scanf("%d", &n[i]);
}
for(i = 0; i < SIZE; i++)
found[i] = -1;

printf("\n search: ");
scanf("%d", &search;

i=0;
for(i=0; i < SIZE;i++) {
if(n[i] == search)
found[j++] = i;
}
if(found < 0) {
printf("data not found \n");
}else{
printf("data found on index number : ");
for(i = 0; i < SIZE; i++) {
if(found[i] >=0)
printf("%d", found[i]);
}
}
return 0;
}