# Include <cstdio> # include <cstring> # include <string> # include <algorithm> # include <stack> using namespace STD; // ================================================ = // int todecimal (int n, int B) {int result = 0; int multiplier = 1; while (n> 0) {result + = n % 10 * multiplier; multiplier * = B; n/= 10;} return result ;} // ================================================ = // int fromdecimal (int n, int B) {int result = 0; int multiplier = 1; while (n> 0) {result + = n % B * multiplier; multiplier * = 10; n/= B;} return result ;} // ================================================ ========/// ============================================ ========================/// int gcd (int, int B) {If (B = 0) return a; return gcd (B, A % B );} // ================================================ ============/// int lcm (int, int B) {return B * A/gcd (a, B );} // ================================================ ================/// int main () {printf ("% d \ n", fromdecimal (); printf ("% d \ n", todecimal (); Return 0 ;}