View Compilation Error

0_0_17561882_30000.cpp: In function 'int main()':
0_0_17561882_30000.cpp:5:17: error: expected unqualified-id before numeric constant
       long long 64 dp[51];
                 ^
0_0_17561882_30000.cpp:6:7: error: 'dp' was not declared in this scope
       dp[1]=3;dp[2]=6;dp[3]=6;
       ^