#include <stdio.h>

int main(int argc, char *argv[])
{
int a,b,c,d,e;

d=argc-1;
e=atoi(argv[1]);

for(a=2;a<=d;a++)
 {
 b=atoi(argv[a]);
 b=b * 100;
 sound(b);
 delay(e);
 nosound();
 if(kbhit()) c=getch();
 if(c==27) exit();
 }

}