program test;
var years: integer; contribution: real;
begin
write('Enter the contribution sum: ');
readln(contribution);
write('Enter the number of years: ');
readln(years);
while years <> 0 do
begin
contribution:=contribution+(contribution / 100 * 3);
years:=years-1;
end;
writeln(contribution:0:2, ' rub');
readln;
end.