View Compilation Error

0_0_36174672_6702.cpp: In function 'int main()':
0_0_36174672_6702.cpp:67:5: error: 'p' was not declared in this scope
     p a;
     ^
0_0_36174672_6702.cpp:70:26: error: 'a' was not declared in this scope
         scanf("%d%d%d", &a.y, &a.m, &a.d);
                          ^