Number of digits
Za date prirodne brojeve N i K (1 <= N, K <= 2000000000 ) naci broj cifara broja N^K.
Input U jedinoj liniji standardnog ulaza nalaze se dva broja N i K.
Output Na standardnom izlazu ispisati broj cifara broja N^K.
Primer:
Ulaz:
Izlaz:
2 10 Izlaz:
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