#include<conio.h>
#include<windows.h>
#define M1 Beep(523,200);
#define M2 Beep(587,200);
#define M3 Beep(659,200);
#define M4 Beep(698,200);
#define M5 Beep(784,200);
#define M6 Beep(880,200);
#define M7 Beep(980,200);
int main()
{
	char ch;
	while(1)
	{
		if(kbhit())
		{
			ch=getche();
			switch(ch)
			{
				case '1':M1;break;
				case '2':M2;break;
				case '3':M3;break;
				case '4':M4;break;
				case '5':M5;break;
				case '6':M6;break;
				case '7':M7;break;
			}
		}
	}
}