#include <bits/stdc++.h>
using namespace std;
const long long inf = 1e18;
const int mininf = 1e9 + 7;
#define int __int128
#define pb emplace_back
inline int read(){int x=0,f=1;char ch=getchar();while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}while(ch>='0'&&ch<='9'){x=(x<<1)+(x<<3)+(ch^48);ch=getchar();}return x*f;}
inline void write(int x){if(x<0){x=~(x-1);putchar('-');}if(x>9)write(x/10);putchar(x%10+'0');}
#define put() putchar(' ')
#define endl puts("")
const int MAX = 1000005;
const int mod = 1e18;
int ans[MAX];
int quickPower(int a,int b,int p)
{int base=a,ans=1;while(b){if(b % 2)ans*=base,ans%=p;base*=base;base%=p;b /= 2;}return ans;
}
void solve(){
    int n = 1000000;
    int now = 300;
    int mod2 = mod + 31;
    for(int i = n; i >= 0; i--){
        ans[i] = now;
        now = quickPower(42, now, mod2);
    }
    int x = read();
    write(ans[x]), endl;
}

signed main(){
    int t = 1;
    while(t--)	solve();
    return 0;
}