func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn = 100 + 5;   int boy[maxn], girl[maxn];   int n, m;   int main() {     int b, g;     while (scanf( %d%d , &n, &m) != EOF) {       memset(boy, 0, sizeof(boy));       memset(girl, 0, sizeof(girl));       int in;       scanf( %d , &b);       for (int i = 0; i < b; i++) {         scanf( %d , &in);         boy[in] = 1;       }       scanf( %d , &g);       for (int i = 0; i < g; i++) {         scanf( %d , &in);         girl[in] = 1;       }       bool flag;       int stb = 0, stg = 0;       int cnt = maxn * maxn;       while (cnt) {         flag = true;         stb %= n;         stg %= m;         if (boy[stb] || girl[stg]) {           boy[stb] = 1;           girl[stg] = 1;         }         for (int i = 0; i < n; i++) {           if (!boy[i]) {             flag = false;             break;           }         }         for (int i = 0; i < m; i++) {           if (!girl[i]) {             flag = false;             break;           }         }         if (flag) break;         stb++;         stg++;         cnt--;       }       printf( %s n , flag ?  Yes  :  No );     }     return 0;   }   