#include <bits/stdc++.h>   using namespace std;   int n, m, k, l, r;   int rd() {     int re = 0, f = 1;     char c = getchar();     while ((c <  0 ) || (c >  9 )) {       if (c ==  - ) f = -f;       c = getchar();     }     while ((c >=  0 ) && (c <=  9 )) {       re = re * 10 + c -  0 ;       c = getchar();     }     return re * f;   }   int main() {     cin >> m >> k;     cin >> n;     l = (n > k) ? (n - k) : 0;     r = (m < n) ? m : n;     cout << (r - l + 1) <<   n ;     return 0;   }   