The teacher Ignatov and the director of the commodity exchange Berestov in March 1995 got married. At the same time, an agreement was signed between them on the procedure for sharing property in marriage and dividing it in case of divorce. According to the contract, all property acquired by the spouses at the time of the dissolution of the marriage (regardless of its duration) was not subject to division, but was transferred to the ownership of Berestov. Ignatov received the sum of 5,000 rubles. In June 1997, Ignatova sued for divorce and a change in the amount of money owed to her under the terms of the marriage contract. She explained her demand for the division of property by the fact that during her stay in marriage she acquired a lottery ticket for which she won, which exceeds the amount due to her under the marriage contract. With this money was made repairs in the apartment.
Is this contract civil? Is it allowed to challenge the terms of the contract in court?

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