>>732
(ﾟДﾟ)ﾉ ｧｨ
#include<stdio.h>
int main(void){
double n;
printf("何MのDLをお望みで？:");
scanf("%lf",&n);
printf("%f秒ほどかかるかと\n",n*1024/8.0);
return 0;
}