Geometric progression

Geometric progression is defined as a sequence of , where each next element is obtained by multiplying the previous one with a number q.
For example 100, 200, 400, 800, 1600, ... is a geometric progression, where b1 = 100 and q = 2.
So, to obtain the n-th number in the sequence when having the first element and the number q, one can use the formula:
Given the first number in the sequence , the number q, and the number n, print the n-th element of the sequence .
95 3 2


Time limit: 2 seconds

Memory limit: 512 MB

Output limit: 1 MB

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