x = 4;
switch(x){
case 1:
	printf("case 1\n");
	break;
case 4:
	printf("case 4\n");
	break;
default:
	printf("default\n");
	break;
}

x = 1;
switch(x){
case 1:
	printf("case 1\n");
	break;
case 4:
	printf("case 4\n");
	break;
default:
	printf("default\n");
	break;
}

x = 0;
switch(x){
case 1:
	printf("case 1\n");
	break;
case 4:
	printf("case 4\n");
	break;
default:
	printf("default\n");
	break;
}