#include <stdio.h>

int main()

{

int sec, min, hour;

printf(“초를 입력해주세요.\n);

scanf(“%d”, &sec);

hour = sec / 3600;

min = (sec % 3600) / 60;

sec = sec % 60;

printf(“%d%d%d\n”, hour, min, sec);

return 0;

}


ㅇㅋ? 하나는 니가 해