#include <iostream>
using namespace std;
 
int main() {
    int n;
    cout << "Nhap so luong phan tu: ";
    cin >> n;
 
    int x, max;
 
    cout << "Nhap so thu 1: ";
    cin >> max;  // giả sử số đầu tiên là lớn nhất
 
    for(int i = 2; i <= n; i++) {
        cout << "Nhap so thu " << i << ": ";
        cin >> x;
 
        if(x > max) {
            max = x;
        }
    }
 
    cout << "So lon nhat la: " << max;
 
    return 0;
}

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