Ex3

#include <stdio.h>

int main () {
    int a = 8, n;
    printf("Nhap n: \n");
    scanf("%d", &n);
    if (a > n) printf("Khong co so nao thoa man\n");
    else {
        printf("Cac so thoa man la: \n");
        for(a=8; a<=n; a+=15)
            printf("%d ", a);
    }
printf("hung oc");
    return 0;
}