View Compilation Error

0_0_20079847_29753.cpp:4:1: error: 'll' does not name a type
 ll qmul(ll a, ll b, ll p)  
 ^
0_0_20079847_29753.cpp: In function 'int main()':
0_0_20079847_29753.cpp:17:10: error: 'rush' was not declared in this scope
     rush()  
          ^