The agent obtained some information concerning a new confidential algorithm for encrypting governmental communication of the potential enemy. However, having almost failed his mission, he had to eat the secret information and rinse it down with a glass of Coca-Cola. Upon return to the base the data were retrieved from the stomach and partially restored. The basis of encryption was the conversion of number
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into a numerical system with a q based number. The base of a number system was lost. However it was found out that the base of the number system was a natural number less than 100 and the number obtained as a result of conversion contained two 5, one 7 and one 9. Other numbers were permanently lost. The base of a number system used to convert the operand
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is …