View Compilation Error

0_0_13122997_31410.cpp: In function 'int input()':
0_0_13122997_31410.cpp:10:7: error: 'num' was not declared in this scope
       num[A]++;
       ^
0_0_13122997_31410.cpp:12:7: error: 'place' was not declared in this scope
       place[A][num[A]]=B;
       ^
0_0_13122997_31410.cpp:13:7: error: 'size' was not declared in this scope
       size[A][num[A]]=X;
       ^