var x : int; var y : int; var z : int; var a : int; var b : int; z := string2int(read()); x := 1; y := 2; x := 3; a := 7; y := 3 + z; if y then z := 8; x := 3; else x := 3; z := 7 + z; end b := 7 + z; z := 10; write(int2string(b + 10));