View Compilation Error

0_0_23767368_29746.cpp: In function 'int main()':
0_0_23767368_29746.cpp:3:17: error: 'ios' has not been declared
 #define MWASAWM ios::sync_with_stdio(false);
                 ^
0_0_23767368_29746.cpp:39:5: note: in expansion of macro 'MWASAWM'
     MWASAWM;
     ^
0_0_23767368_29746.cpp:40:12: error: 'cin' was not declared in this scope
     while (cin >> M >> N >> T, M + N + T)
            ^
0_0_23767368_29746.cpp:56:22: error: 'puts' was not declared in this scope
             puts("NO");
                      ^
0_0_23767368_29746.cpp:62:37: error: 'puts' was not declared in this scope
         puts(ans == 1 ? "YES" : "NO");
                                     ^