View Compilation Error

0_0_15970633_13262.cpp: In function 'int main()':
0_0_15970633_13262.cpp:7:14: error: expected unqualified-id before 'case'
 {        int case;
              ^
0_0_15970633_13262.cpp:8:22: error: expected primary-expression before 'case'
          scanf("%d",&case);
                      ^
0_0_15970633_13262.cpp:9:16: error: expected primary-expression before 'case'
          while(case--){
                ^
0_0_15970633_13262.cpp:9:16: error: expected ')' before 'case'
0_0_15970633_13262.cpp:9:22: error: expected primary-expression before ')' token
          while(case--){
                      ^
0_0_15970633_13262.cpp:9:16: error: case label '<expression error>' not within a switch statement
          while(case--){
                ^
0_0_15970633_13262.cpp:9:22: error: expected ':' before ')' token
          while(case--){
                      ^
0_0_15970633_13262.cpp:9:22: error: expected primary-expression before ')' token