25. Mickey mouse

Code:

   #include<stdio.h>
int main(){
  int n;
  printf("Enter the Balloon's number:\n");
  scanf("%d",&n);
  if((n%3==0)&&(n%7==0))
    printf("This balloon can fly to miney.");
  else
    printf("This balloon cannot fly to miney.");
  return 0;
}