View Compilation Error

0_0_17851765_28417.cpp:1:2: error: stray '#' in program
 >#include<iostream>
  ^
0_0_17851765_28417.cpp:1:1: error: expected unqualified-id before '>' token
 >#include<iostream>
 ^
0_0_17851765_28417.cpp: In function 'int main()':
0_0_17851765_28417.cpp:191:29: error: 'scanf' was not declared in this scope
     while(scanf("%d%d",&a,&b)!=EOF)
                             ^
0_0_17851765_28417.cpp:191:32: error: 'EOF' was not declared in this scope
     while(scanf("%d%d",&a,&b)!=EOF)
                                ^
0_0_17851765_28417.cpp:201:39: error: 'printf' was not declared in this scope
                 printf("%d\n",prime[i]);
                                       ^
0_0_17851765_28417.cpp:205:20: error: 'printf' was not declared in this scope
         printf("\n");
                    ^