/*
    Author: bin
    Created:2019/10/17 21:50:01
*/
#pragma GCC optimize(2)
#include <bits/stdc++.h>
#define endl '\n'
#define INF 0x3f3f3f3f
#define debug(x) cout<< #x " = "<<(x)<<endl;
#define pc(x) putchar(x)
using namespace std;
typedef long long ll;
template<typename T> void read(T &x){
    x = 0; int f = 1; char ch = getchar();
    while(!isdigit(ch) ) ch = getchar();
    while( isdigit(ch) ) {x = x * 10 + ch - 48; ch = getchar();}
    x *= f;
}
template<typename T, typename... Args> void read(T& x, Args&... args)
{ read(x), read(args...); }
template<typename T> void write(T x) {
    if(x < 0) putchar('-'), write(-x);
    if(x > 9) write(x / 10);
    putchar(x % 10 + '0');
}
template<typename T, typename... Args> void write(T& x, Args&... args)
{ write(x),putchar(' '), write(args...),putchar('\n'); }
#define int ll

const ll MOD=1e9+7;


ll fpow(ll x,ll y)
{
    ll ans = 1;
    while(y)
    {
        if(y & 1) ans = ans*x%MOD;
        x = x * x %MOD;
        y >>= 1;
    }
    return ans;
}

signed main()
{
    ll n,m,ans=0;
    read(n,m);
    ans=fpow(2,m)-1;
    ans=fpow(ans,n);
    ans%=MOD;
    if(m!=1)
    write(ans);
    else
    write(n);
    pc(endl);
    return 0;
}