// Copyright (c) 1995, Masanao Izumo

a = 10;
switch(a + 10)
{
  case 10:
    b = 100;
    break;
  case 20:
    b = 200;
    break;
  case 30:
    b = 300;
    break;
}
writeln(b);

b = 99;
switch(a)
{
  case 1:
    b = 100;
    break;
  case 2:
    b = 200;
    break;
  default:
    b = 1;
}
writeln(b);

b = 99;
switch(a)
{
  case 1:
    b = 100;
    break;
  default:
    b = 2;
    break;
  case 2:
    b = 200;
    break;
}
writeln(b);

b = 99;
switch(a)
{
  case 1:
    b = 100;
    break;
  case 2:
    b = 200;
    break;
}
writeln(b);


switch(a + 5)
{
  case 10:
    writeln("x");
  case 15:
    writeln("y");
  case 20:
    writeln("z");
  default:
    writeln("A");
}


switch(a + 5)
{
  case 10:
    writeln("x");
  default:
    writeln("A");
  case 15:
    writeln("y");
  case 20:
    writeln("z");
}