rt
#define int long long
#define N 610
using namespace std;
int n, mod;
int a[N][N];
void work() {
int x = 1, ans = 1;
for(int i = 1; i <= n; i++) {
int id = 0;
for(int j = i; j <= n; j++)
if(a[j][i]) {
id = j;
break;
}
if(!id) {
cout << 0;
exit(0);
}
if(id != i) {
x = -x;
for(int j = i; j <= n; j++) swap(a[id][j], a[i][j]);
}
for(int j = i + 1; j <= n; j++) {
int Num = a[j][i];
for(int k = 1; k <= n; k++) a[j][k] = a[j][k] * a[i][i] % mod;
ans = ans * a[i][i] % mod;
for(int k = 1; k <= n; k++) a[j][k] = (a[j][k] - Num * a[i][k] % mod + mod) % mod;
}
}
/*for(int i = 1; i <= n; i++) {
for(int j = 1; j <= n; j++) cout << a[i][j] << " ";
cout << endl;
}*/
for(int i = 1; i <= n; i++) ans = ans * a[i][i] % mod;
ans = (ans * x + mod) % mod;
cout << ans;
}
signed main() {
//freopen("P7112_1.in", "r", stdin);
//freopen("x.out", "w", stdout);
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> n >> mod;
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++) cin >> a[i][j], a[i][j] %= mod;
work();
return 0;
}
#include<bits/stdc++.h>
#define int long long
#define N 610
using namespace std;
int n, mod;
int a[N][N];
void work() {
int x = 1, ans = 1;
for(int i = 1; i <= n; i++) {
int id = 0;
for(int j = i; j <= n; j++)
if(a[j][i]) {
id = j;
break;
}
if(!id) {
cout << 0;
exit(0);
}
if(id != i) {
x = -x;
for(int j = i; j <= n; j++) swap(a[id][j], a[i][j]);
}
for(int j = i + 1; j <= n; j++) {
int Num = a[j][i];
for(int k = 1; k <= n; k++) a[j][k] = a[j][k] * a[i][i] % mod;
ans = ans * a[i][i] % mod;
for(int k = 1; k <= n; k++) a[j][k] = (a[j][k] - Num * a[i][k] % mod + mod) % mod;
}
}
/*for(int i = 1; i <= n; i++) {
for(int j = 1; j <= n; j++) cout << a[i][j] << " ";
cout << endl;
}*/
for(int i = 1; i <= n; i++) ans = ans * a[i][i] % mod;
ans = (ans * x + mod) % mod;
cout << ans;
}
signed main() {
//freopen("P7112_1.in", "r", stdin);
//freopen("x.out", "w", stdout);
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> n >> mod;
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++) cin >> a[i][j], a[i][j] %= mod;
work();
return 0;
}