# include<iostream> # include<cmath> using namespace std; int main() { int a,g = 0; cin >> a; a--; int b[a][a]; for(int y = 0; y <= a; y++) { for(int x = 0; x <= a; x++) { cin >> b[x][y]; if(b[x][y] > g) { g = b[x][y]; } } } cout << endl << g; return 0; }