var a, b, c, p, q : integer; r : array[0..2] of integer; begin read(a, b, c); p := a div b div c; q := b - c + a + p; r[0] := a * p div q * q; r[1] := r[0] * (r[0] - 300); if (3 * q - p mod 3 <= r[0]) and (r[2] = r[2]) then r[1] := r[r[0] div p mod 2] else r[1] := q mod p; writeln(r[0] - r[1]); end.输入：100 7 3
输出：1
