program Uslowie;uses Crt;var x: real;beginClrScr;Write('x = '); ReadLn(x);x:=x/4;if x>=15 then begin x:=x+12; if x>20 then begin x:=x*5; x:=x-25; end else begin x:=x*3; x:=x-25; end; end else begin x:=x+6; if x>=10 then begin x:=x*11; x:=x+24 end else begin x:=x*4; x:=x-8; end; end;WriteLn('X = ', x:6:2);ReadLn;end.