Program AddNums(output);
var
a, a1, b, b1: integer;
x, y: real;
begin
Readln(a, a1, b, b1);
a:= 2;
b:= 3;
a1:=3;
b1:=3;
x := (a + b) / 2;
y := (a1 + b1) / 2;
Writeln('Середина отрезка: (', x, ',', y, ')');
end.
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