func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int i, j, k, l, ans = 0, sign = 1, count = 0;     string s;     getline(cin, s);     l = s.size();     vector<int> v;     for (i = 0; i < l; i++) {       if (s[i] ==  ? ) {         v.push_back(sign);         sign == 1 ? count++ : count--;       } else if (s[i] ==  + )         sign = 1;       else if (s[i] ==  - )         sign = -1;       else if (s[i] !=     && s[i] !=  = ) {         ans = 10 * ans + s[i] -  0 ;       }     }     int remain = ans - count;     vector<int> v1(v.size(), 1);     for (i = 0; i < v.size(); i++) {       if (v[i] == 1 && remain > 0) {         int old = v1[i];         v1[i] = min(ans, v1[i] + remain);         remain -= (v1[i] - old);       } else if (v[i] == -1 && remain < 0) {         int old = v1[i];         v1[i] = min(ans, v1[i] - remain);         remain += (v1[i] - old);       }     }     if (remain != 0) {       printf( Impossible n );       return 0;     }     printf( Possible n );     for (i = 0; i < v.size(); i++) {       if (i == 0) {         printf( %d  , v1[i]);       } else {         printf( %c %d  , v[i] == 1 ?  +  :  - , v1[i]);       }     }     printf( = %d n , ans);     return 0;   }   