program hesap_makinesi;
uses wincrt;
var
s1,s2:integer;
op:char;
sonuc:real;
begin
writeln('1. sayiyi girin:');readln(s1);
writeln('2. sayiyi girin:');readln(s2);
writeln('operatörü girin:');readln(op);
if op='+' then sonuc:=s1+s2;
if op='-' then sonuc:=s1-s2;
if op='*' then sonuc:=s1*s2;
if op='/' then sonuc:=s1/s2;
writeln(s1,op,s2,'=',sonuc:10:2);
readln;
end.