if (sha == 0)
    sha = x;
x = sha + shudder;
if (shudder < 0)
    shudder = -(shudder + 1);
else
    shudder = -shudder;
if (shudder == 0)
{
    sha = 0;
    cn += 1;
    exit;
}
alarm[3] = 3;
if (cn > 60)
    alarm[3] = 2;
if (cn > 71)
    alarm[3] = 1;