#include <iostream>

using namespace std;

int main() {
    int x, n = 0, minim = 2e9;
    cin >> x;
    while (x != 0) {
        if (x == minim) {
            ++n
        } else if (x < minim) {
            n = 1;
        }
        minim = min(minim, x);
        cin >> x;
    }
    cout << minim;
}