BigExpo.cpp

#include <bits/stdc++.h>
using namespace std;

static auto _ = [] () {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    return 0;
}();

#define frw(i, len) for(ll i = 0   ; i < len ; i++)
#define frb(i, len) for(ll i = len ; i >= 0  ; i--)

#define YES cout<<"Yes \n";
#define NOO cout<<"No  \n";
#define nl cout<<"\n";

#define MAX_SIZE 10000
#define nptr nullptr

typedef stringstream strgm;
typedef long long int ll;
typedef const int c_int;
typedef unsigned unsg;
typedef double dbl;

typedef vector<vector<string>> vvstr;
typedef vector<vector<bool>> vvbl;
typedef vector<vector<int>> vvint;
typedef vector<vector<ll>> vvll;

typedef vector<string> vstr;
typedef vector<int> vint;
typedef vector<bool> vbl;
typedef vector<ll> vll;

typedef stack<string> sstr;
typedef stack<bool> sbl;
typedef stack<int> sint;
typedef stack<ll> sll;

typedef queue<string> qstr;
typedef queue<bool> qbl;
typedef queue<int> qint;
typedef queue<ll> qll;

c_int MOD = 1e9 + 7;
c_int Mx_row = 100;
c_int Mx_col = 100;
int size_stack = 0;
int InvrsnCnt = 0;
int size_arr = 0;
int size_ll = 0;
int top = -1;

ll BigExpo(ll a,ll b,ll MOD){
    ll ans = 1;
    while(b > 0){
        if(b & 1){
            ans = (ans * 1ll * a)%MOD;
        }
        a = (a * a * 1ll)%MOD;
        b >>= 1;
    }
    return ans;
}

int main(){
    ll a = 50;
    ll b = 60;
    ll c = 70;
    ll M = 1e9 + 7;
    cout<<BigExpo(a,BigExpo(b,c,M-1),M);
    return 0;
}