var
n, a, b, c, d: integer;
begin
readln(n);
a := n div 1000;
b := (n div 100) mod 10;
c := (n div 10) mod 10;
d := n mod 10;
writeln('ab+cd=',a*b,'+',c*d,'=', a*b+c*d);
readln;
end.
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Answers & Comments
var
n, a, b, c, d: integer;
begin
readln(n);
a := n div 1000;
b := (n div 100) mod 10;
c := (n div 10) mod 10;
d := n mod 10;
writeln('ab+cd=',a*b,'+',c*d,'=', a*b+c*d);
readln;
end.