func_code_string: #include <bits/stdc++.h>   using namespace std;   const int HX = 0x3F3F3F3F;   int n, m, p, q;   long long k;   int f[1111];   int main() {     cin >> n >> m >> k;     memset(f, 0x3F, sizeof f);     for (int i = 0; i < (n); ++i) {       cin >> p >> q;       f[p] = min(f[p], q);     }     long long ans = 0;     for (int i = (1); i <= (m); ++i) ans += f[i];     cout << min(ans, k) << endl;     return 0;   }   