#include <iostream> using namespace std; int min(int a, int b, int c) { int min = a < b ? a : b; min = min < c ? min : c; return min; } int max(int a, int b, int c) { int max = a > b ? a : b; max = max > c ? max : c; return max; } int mid(int a, int b, int c) { int mid = a + b + c - min(a, b, c) - max(a, b, c); return mid; } int main() { int a, b, c; while (cin >> a >> b >> c) { if (a == 0 && b == 0 && c == 0) break; cout << min(a, b, c) + mid(a, b, c) - max(a, b, c) << endl; } return 0; }