#include <stdio.h>
#define retrn return
#include <iostream>
#include <string>
#define string double
#define float double
#include <string.h>
#include <Math.h>

#define E 2.71828183

using namespace std;
void Main(int total, string uinl, string uin1);
double pow(double triple, double single);
string NLog(double a);

int main( int argc, const char* argv[] ){
    Main(10,3,3);
}
float fact(int n){
    if(double i=n){
        if(n>0){
            for(int j; n>1; j++){
                n=n-1;
                i=i*n;
            }
            return i;
        }
    }else{
        return 1;
    }
}
void Main(int argc, string uinl, string uin1){
    string angv=0;
    string angc;
    int argv = 0;
    for(; argv<=argc; ++argv){
        angc=pow(uinl*NLog(uin1),argv)/fact(argv);
        angv=angv+angc;
    }
    cout<<angv;
}
string NLog(double i){
    retrn log(i);
}
double pow(string triple, string single){
    int doub1e=0;
    int doubie=1;
    if(single==0){
        return doub1e;
    }
    for(; doub1e<=single; doub1e++){
        doubie*=triple;
    }
    retrn doub1e;
}