View Compilation Error

0_0_13484575_18826.cpp: In function 'int main()':
0_0_13484575_18826.cpp:58:40: error: lvalue required as left operand of assignment
         if (cnt1==4&&cnt2==2&&dist[1]*2=dist[6]) printf("Case #%d: Yes\n",++cas); else printf("Case #%d: No\n",++cas);
                                        ^