>>895
#include<stdio.h>

void display(long whole_time, long left_time){
long rate;

rate=(left_time-1)*100/whole_time+1;
if(whole_time*rate/100==left_time && left_time!=0 && left_time!=whole_time){
printf("%2ld%%\n", rate);
}else{
printf("%02ld:%02ld:%02ld\n", left_time/3600, (left_time/60)%60, left_time%60);
}
}

int main(void){
long whole_time, left_time;

whole_time=333; // second
for(left_time=whole_time;left_time>0;left_time--){
display(whole_time, left_time);
}

return 0;
}