 #include<bits/stdc++.h>   using  namespace std;      #define  ll                  long long   #define  inf                  1e18      #define  memset(a , b)       memset((a) , (b) , sizeof(a))   #define  mod                 1000000007   #define  rep(i , n)          for((i) = 0 ; (i) < n ; (i)++)   #define  N                   200005               ll t , d , ct  , q, ans , l ,m , r , n , mx , mn , i, j , k , x , y , z , s  ;        char ch ;           string ss =    ,  str =    ;        ll a[N] ,  b[N] ;               void dbg(ll x, ll y = 0, ll z = 0, ll a = 0)     { cout <<  Dbg:   << x <<     << y <<     << z <<     << a <<   n ;   }           /*---------------------------------------Main Code----------------------------------------------------- */                  int main(){                                 ios_base::sync_with_stdio (false),            cin.tie(nullptr);                          cin >> x >> y >> k;             if (y == 1)         {             if (k)             {                 cout <<  No n ;                 return 0;             }             cout <<  Yes n ;                 cout <<  1 ;             rep(i, x)                     cout                 <<  0 ;             cout <<   n ;                 cout <<  1 ;             rep(i, x)                     cout                 <<  0 ;             return 0;         }                 if (!x)         {             if (k)             {                 cout <<  No n ;                 return 0;             }                 cout <<  Yes n ;             rep(i, y)                     cout                 <<  1 ;             cout <<   n ;             rep(i, y)                     cout                 <<  1 ;             return 0;         }            if (k > x + y - 2)         {             cout <<  No ;             return 0;         }            cout <<  Yes n ;            rep(i, y)                 cout             <<  1 ;         rep(i, x)                 cout             <<  0 ;            cout <<   n ;            if (k <= x)         {             rep(i, y - 1)                     cout                 <<  1 ;             rep(i, k)                     cout                 <<  0 ,                 x--;                cout <<  1 ;                rep(i, x)                     cout                 <<  0 ;                return 0;         }            k -= x;            rep(i, y  - k -1)                 cout             <<  1 ;            cout <<  0 ;            y -= (y -k-  1);            rep(i, y - 1)                 cout             <<  1 ;            rep(i, x - 1)                 cout             <<  0 ;            cout <<  1 ;            return 0;   }   