#include using namespace std; using ll = long long; using P = pair; #define fix(x) fixed << setprecision(x) #define asc(x) x, vector, greater #define rep(i, n) for(ll i = 0; i < n; i++) #define all(x) (x).begin(),(x).end() templatebool chmin(T&a, const T&b){if(a>b){a=b;return 1;}return 0;} templatebool chmax(T&a, const T&b){if(a> a >> b >> c; bool ok = false; for(ll i=1;i<=100100;i++){ ll x = i * a; if(x>b) x -= b; ok += (x==c); if(x==c) cout << i << '\n'; } if(!ok) cout << "-1\n"; return 0; }