#include<bits/stdc++.h>
using namespace std;
using Int = long long;
template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}
//BEGIN CUT HERE
Int phi(Int n){
  Int res=n;
  for(Int i=2;i*i<=n;i++){
    if(n%i==0){
      res=res/i*(i-1);
      for(;n%i==0;n/=i);
    }
  }
  if(n!=1) res=res/n*(n-1);
  return res;
}

Int mpow(Int x,Int n,Int m,Int &f){
  if(x==1||n==0) return 1;
  Int v=1;
  f|=x>=m;
  x%=m;
  while(1){
    if(n&1) v*=x;
    if(v>=m) f=1,v%=m;
    n>>=1;
    if(!n) break;
    x=x*x;
    if(x>=m) f=1,x%=m;
  }
  return v;
}

Int mtetra(Int a,Int n,Int m,Int &f){  
  if(a==0) return n==0;
  if(m==1) return f=1;
  if(n==0) return 1;
  if(n==1) return a+f*m;
  Int z=mtetra(a,n-1,phi(m),f);
  Int r=mpow(a,z,m,f);
  return r+f*m;
}
//END CUT HERE
//INSERT ABOVE HERE

signed solve(){
  Int a,n,m,f=0;
  cin>>a>>n>>m;
  cout<<mtetra(a,n,m,f)%m<<endl;
  return 0;
}

signed main(){
  solve();
}