var n,n5,n2,n1: integer;
begin
readln(n);
n5:=n div 5;
n2:=n mod 5 div 2;
n1:=n-5*n5-2*n2;
writeln('5: ',n5);
writeln('2: ',n2);
writeln('2: ',n1);
end.
var n,n5,n2,n1: integer;
begin
readln(n);
n5:=n div 5;
n2:=n mod 5 div 2;
n1:=n-5*n5-2*n2;
writeln('5: ',n5);
writeln('2: ',n2);
writeln('2: ',n1);
end.