View Compilation Error

0_0_37028554_8982.cpp: In function 'int main()':
0_0_37028554_8982.cpp:4:1: error: 'intn' was not declared in this scope
 intn,i,m,sum;
 ^
0_0_37028554_8982.cpp:4:6: error: 'i' was not declared in this scope
 intn,i,m,sum;
      ^
0_0_37028554_8982.cpp:4:8: error: 'm' was not declared in this scope
 intn,i,m,sum;
        ^
0_0_37028554_8982.cpp:4:10: error: 'sum' was not declared in this scope
 intn,i,m,sum;
          ^
0_0_37028554_8982.cpp:5:13: error: 'n' was not declared in this scope
 scanf("%d",&n);
             ^
0_0_37028554_8982.cpp: At global scope:
0_0_37028554_8982.cpp:44:1: error: expected unqualified-id before numeric constant
 7}
 ^
0_0_37028554_8982.cpp:44:2: error: expected declaration before '}' token
 7}
  ^