program pascal deklarasi data

program masing_masing_deklarasi_data;
uses wincrt;
var a,b,c:string;
    x,y,rumusnya:integer;
    r,s,t,hasilnya:real;
    senang:char;
begin
clrscr;
writeln ('identitas ku');
writeln ('nama saya:');readln (a);
writeln ('alamat saya:');readln (b);
c:=a+b ;
writeln ('jadi identitasqu adalah',c);
writeln;
writeln ('penjumlahan');
writeln ('masukkan angka= ');readln (x);
writeln ('ditambah dengan= ');readln (y);
rumusnya:=x+y;                                                               
writeln ('hasilnya adalah= ',rumusnya:0);
writeln;
writeln ('perkalian');
writeln ('masukkan angka=');readln (r);
writeln ('masukkan angka=');readln (s);
t:=r*s;
writeln ('hasilnya real=',t:0:2);

writeln;                                      
writeln ('perasaan');
writeln ('jika mendapat nilai A akan merasa=');readln (senang);
writeln ('aku merasa senang=');
writeln (',,,,,,,,,,,,,mator sakalangkong,,,,,,,,,,,,,,,');
write;
end.