Masala #RYNFX1RFIF

Abduahad yaqinda tenglamalar sistemasi mavzusini o'rgandi. Yaqinda u shu mavzu doirasida qiziqarli masalaga duch keldi. Lekin hech bu masalani yecha olmayapti. Siz unga shu masalani yechishda yordam bering

\(x_{1} + 4x_{2} + 9x_{3} + 16x_{4} + 25x_{5} + 36x_{6} + 49x_{7} = a\)

\(4x_{1} + 9x_{2} + 16x_{3} + 25x_{4} + 36x_{5} + 49x_{6} + 64x_{7} = b\)

\(9x_{1} + 16x_{2} + 25x_{3} + 36x_{4} + 49x_{5} + 64x_{6} + 81x_{7} = c\)

\(16x_{1} + 25x_{2} + 36x_{3} + 49x_{4} + 64x_{5} + 81x_{6} + 100x_{7} - ?\)

a, b, c sonlari  \((-10^{18} \le a, b, c \le 10^{18} )\)

Masala shartida so'ralgan ifodaning qiymatini toping