View Compilation Error

0_0_18752404_3713.cpp: In function 'int main()':
0_0_18752404_3713.cpp:5:35: error: 'n' was not declared in this scope
     while(scanf("%d %d %d",&a,&b,&n)!=EOF)
                                   ^
0_0_18752404_3713.cpp:8:9: error: 'm' was not declared in this scope
         m[1]=1;m[2]=1;
         ^