#include <stdio.h>
#include<vector>
#include <algorithm>
#include <map>
using namespace std;
typedef long long ll;
const int MX = 255, MM = 1000000007;
ll rv(ll A){
ll R = 1, B = MM-2;
while(B){
if( B&1 ) R = R * A % MM;
A = A * A % MM; B /= 2;
}
return R;
}
struct frac{
ll A, B;
frac(ll A):A(A), B(1){}
frac(ll a, ll b){
A = (a%MM+MM) % MM;
B = (b%MM+MM) % MM;
}
frac(){A = 0, B = 1;}
frac operator+ (const frac &l)const{
return frac((A * l.B + B * l.A) % MM, B * l.B % MM);
}
frac operator*(const frac &l)const{
return frac(A*l.A % MM, B*l.B % MM);
}
frac operator/(const frac &l)const{
return frac(A*l.B % MM, B*l.A % MM);
}
frac operator- (const frac &l)const{
return frac((A*l.B - B*l.A%MM + MM) % MM, B*l.B % MM);
}
ll v(){ return A * rv(B) % MM; }
};
frac T[MX][MX];
int main()
{
int N;
scanf("%d", &N);
T[0][0] = 1;
for(int i = 1; i <= N; i++){
T[i][i] = 1;
for(int j = 0; j <= N; j++){
for(int k = 1; k <= i; k++){
T[i][j] = T[i][j] + T[i-k][j^(k-1)];
}
}
}
printf("%lld\n", T[N][0].v());
}
