#include <iostream>
#include <cmath>
#include <cstdint>
#include <algorithm>
#include <string>

std::string to_string(__uint128_t n) {
   std::string res;
   do {
      res += '0' + n % 10;
      n /= 10;
   } while (n != 0);

   std::reverse(res.begin( ), res.end( ));
   return res;
}

__uint128_t exp(__uint128_t a, __uint128_t n) {
    __uint128_t res = 1;
    for (; n; n >>= 1) {
        if (n & 1) {
            res *= a;
        }
        a *= a;
    }
    return res;
}

int main( ) {
    uint64_t a, b;
    std::cin >> a >> b;

    __uint128_t n = exp(a, b);
    n = floor(log10(n)) + 1;

    std::cout << to_string(n);
}