main =>
 A = read_int(),
 B = read_int(),
 C = read_int(),
        D = ( B * B - 4 * A * C ),

        X1 = ( -1 * B - sqrt( D ) ) / ( 2 * A ),
        X2 = ( -1 * B + sqrt( D ) ) / ( 2 * A ),
        if D == 0 then
        printf( "%7.5f%n", X1 )
        else printf( "%7.5f %7.5f%n", X1, X2 )
        end